281401400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:262

約数の個数: 192

約数和(自身を含む): 803520000

約数和(自身を除く): 522118600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 25, 28, 35, 38, 40, 50, 56, 70, 71, 76, 95, 100, 133, 140, 142, 149, 152, 175, 190, 200, 266, 280, 284, 298, 350, 355, 380, 475, 497, 532, 568, 596, 665, 700, 710, 745, 760, 950, 994, 1043, 1064, 1192, 1330, 1349, 1400, 1420, 1490, 1775, 1900, 1988, 2086, 2485, 2660, 2698, 2831, 2840, 2980, 3325, 3550, 3725, 3800, 3976, 4172, 4970, 5215, 5320, 5396, 5662, 5960, 6650, 6745, 7100, 7450, 8344, 9443, 9940, 10430, 10579, 10792, 11324, 12425, 13300, 13490, 14155, 14200, 14900, 18886, 19817, 19880, 20860, 21158, 22648, 24850, 26075, 26600, 26980, 28310, 29800, 33725, 37772, 39634, 41720, 42316, 47215, 49700, 52150, 52895, 53960, 56620, 67450, 70775, 74053, 75544, 79268, 84632, 94430, 99085, 99400, 104300, 105790, 113240, 134900, 141550, 148106, 158536, 188860, 198170, 201001, 208600, 211580, 236075, 264475, 269800, 283100, 296212, 370265, 377720, 396340, 402002, 423160, 472150, 495425, 528950, 566200, 592424, 740530, 792680, 804004, 944300, 990850, 1005005, 1057900, 1407007, 1481060, 1608008, 1851325, 1888600, 1981700, 2010010, 2115800, 2814014, 2962120, 3702650, 3963400, 4020020, 5025025, 5628028, 7035035, 7405300, 8040040, 10050050, 11256056, 14070070, 14810600, 20100100, 28140140, 35175175, 40200200, 56280280, 70350350, 140700700, 281401400]

約数ペア:

[(1, 281401400), (2, 140700700), (4, 70350350), (5, 56280280), (7, 40200200), (8, 35175175), (10, 28140140), (14, 20100100), (19, 14810600), (20, 14070070), (25, 11256056), (28, 10050050), (35, 8040040), (38, 7405300), (40, 7035035), (50, 5628028), (56, 5025025), (70, 4020020), (71, 3963400), (76, 3702650), (95, 2962120), (100, 2814014), (133, 2115800), (140, 2010010), (142, 1981700), (149, 1888600), (152, 1851325), (175, 1608008), (190, 1481060), (200, 1407007), (266, 1057900), (280, 1005005), (284, 990850), (298, 944300), (350, 804004), (355, 792680), (380, 740530), (475, 592424), (497, 566200), (532, 528950), (568, 495425), (596, 472150), (665, 423160), (700, 402002), (710, 396340), (745, 377720), (760, 370265), (950, 296212), (994, 283100), (1043, 269800), (1064, 264475), (1192, 236075), (1330, 211580), (1349, 208600), (1400, 201001), (1420, 198170), (1490, 188860), (1775, 158536), (1900, 148106), (1988, 141550), (2086, 134900), (2485, 113240), (2660, 105790), (2698, 104300), (2831, 99400), (2840, 99085), (2980, 94430), (3325, 84632), (3550, 79268), (3725, 75544), (3800, 74053), (3976, 70775), (4172, 67450), (4970, 56620), (5215, 53960), (5320, 52895), (5396, 52150), (5662, 49700), (5960, 47215), (6650, 42316), (6745, 41720), (7100, 39634), (7450, 37772), (8344, 33725), (9443, 29800), (9940, 28310), (10430, 26980), (10579, 26600), (10792, 26075), (11324, 24850), (12425, 22648), (13300, 21158), (13490, 20860), (14155, 19880), (14200, 19817), (14900, 18886)]