257029500

素因数分解:

$2^2\times 3^1\times 5^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{269}}^1$

素因数の和:318

約数の個数: 288

約数和(自身を含む): 941129280

約数和(自身を除く): 684099780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 25, 26, 28, 30, 35, 39, 42, 49, 50, 52, 60, 65, 70, 75, 78, 84, 91, 98, 100, 105, 125, 130, 140, 147, 150, 156, 175, 182, 195, 196, 210, 245, 250, 260, 269, 273, 294, 300, 325, 350, 364, 375, 390, 420, 455, 490, 500, 525, 538, 546, 588, 637, 650, 700, 735, 750, 780, 807, 875, 910, 975, 980, 1050, 1076, 1092, 1225, 1274, 1300, 1345, 1365, 1470, 1500, 1614, 1625, 1750, 1820, 1883, 1911, 1950, 2100, 2275, 2450, 2548, 2625, 2690, 2730, 2940, 3185, 3228, 3250, 3497, 3500, 3675, 3766, 3822, 3900, 4035, 4550, 4875, 4900, 5250, 5380, 5460, 5649, 6125, 6370, 6500, 6725, 6825, 6994, 7350, 7532, 7644, 8070, 9100, 9415, 9555, 9750, 10491, 10500, 11298, 11375, 12250, 12740, 13181, 13450, 13650, 13988, 14700, 15925, 16140, 17485, 18375, 18830, 19110, 19500, 20175, 20982, 22596, 22750, 24479, 24500, 26362, 26900, 27300, 28245, 31850, 33625, 34125, 34970, 36750, 37660, 38220, 39543, 40350, 41964, 45500, 47075, 47775, 48958, 52455, 52724, 56490, 63700, 65905, 67250, 68250, 69940, 73437, 73500, 79086, 79625, 80700, 87425, 94150, 95550, 97916, 100875, 104910, 112980, 122395, 131810, 134500, 136500, 141225, 146874, 158172, 159250, 171353, 174850, 188300, 191100, 197715, 201750, 209820, 235375, 238875, 244790, 262275, 263620, 282450, 293748, 318500, 329525, 342706, 349700, 367185, 395430, 403500, 437125, 470750, 477750, 489580, 514059, 524550, 564900, 611975, 659050, 685412, 706125, 734370, 790860, 856765, 874250, 941500, 955500, 988575, 1028118, 1049100, 1223950, 1311375, 1318100, 1412250, 1468740, 1647625, 1713530, 1748500, 1835925, 1977150, 2056236, 2447900, 2570295, 2622750, 2824500, 3059875, 3295250, 3427060, 3671850, 3954300, 4283825, 4942875, 5140590, 5245500, 6119750, 6590500, 7343700, 8567650, 9179625, 9885750, 10281180, 12239500, 12851475, 17135300, 18359250, 19771500, 21419125, 25702950, 36718500, 42838250, 51405900, 64257375, 85676500, 128514750, 257029500]

約数ペア:

[(1, 257029500), (2, 128514750), (3, 85676500), (4, 64257375), (5, 51405900), (6, 42838250), (7, 36718500), (10, 25702950), (12, 21419125), (13, 19771500), (14, 18359250), (15, 17135300), (20, 12851475), (21, 12239500), (25, 10281180), (26, 9885750), (28, 9179625), (30, 8567650), (35, 7343700), (39, 6590500), (42, 6119750), (49, 5245500), (50, 5140590), (52, 4942875), (60, 4283825), (65, 3954300), (70, 3671850), (75, 3427060), (78, 3295250), (84, 3059875), (91, 2824500), (98, 2622750), (100, 2570295), (105, 2447900), (125, 2056236), (130, 1977150), (140, 1835925), (147, 1748500), (150, 1713530), (156, 1647625), (175, 1468740), (182, 1412250), (195, 1318100), (196, 1311375), (210, 1223950), (245, 1049100), (250, 1028118), (260, 988575), (269, 955500), (273, 941500), (294, 874250), (300, 856765), (325, 790860), (350, 734370), (364, 706125), (375, 685412), (390, 659050), (420, 611975), (455, 564900), (490, 524550), (500, 514059), (525, 489580), (538, 477750), (546, 470750), (588, 437125), (637, 403500), (650, 395430), (700, 367185), (735, 349700), (750, 342706), (780, 329525), (807, 318500), (875, 293748), (910, 282450), (975, 263620), (980, 262275), (1050, 244790), (1076, 238875), (1092, 235375), (1225, 209820), (1274, 201750), (1300, 197715), (1345, 191100), (1365, 188300), (1470, 174850), (1500, 171353), (1614, 159250), (1625, 158172), (1750, 146874), (1820, 141225), (1883, 136500), (1911, 134500), (1950, 131810), (2100, 122395), (2275, 112980), (2450, 104910), (2548, 100875), (2625, 97916), (2690, 95550), (2730, 94150), (2940, 87425), (3185, 80700), (3228, 79625), (3250, 79086), (3497, 73500), (3500, 73437), (3675, 69940), (3766, 68250), (3822, 67250), (3900, 65905), (4035, 63700), (4550, 56490), (4875, 52724), (4900, 52455), (5250, 48958), (5380, 47775), (5460, 47075), (5649, 45500), (6125, 41964), (6370, 40350), (6500, 39543), (6725, 38220), (6825, 37660), (6994, 36750), (7350, 34970), (7532, 34125), (7644, 33625), (8070, 31850), (9100, 28245), (9415, 27300), (9555, 26900), (9750, 26362), (10491, 24500), (10500, 24479), (11298, 22750), (11375, 22596), (12250, 20982), (12740, 20175), (13181, 19500), (13450, 19110), (13650, 18830), (13988, 18375), (14700, 17485), (15925, 16140)]