331467500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:122

約数の個数: 240

約数和(自身を含む): 940498944

約数和(自身を除く): 609031444

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 31, 35, 47, 50, 52, 62, 65, 70, 91, 94, 100, 124, 125, 130, 140, 155, 175, 182, 188, 217, 235, 250, 260, 310, 325, 329, 350, 364, 403, 434, 455, 470, 500, 611, 620, 625, 650, 658, 700, 775, 806, 868, 875, 910, 940, 1085, 1175, 1222, 1250, 1300, 1316, 1457, 1550, 1612, 1625, 1645, 1750, 1820, 2015, 2170, 2275, 2350, 2444, 2500, 2821, 2914, 3055, 3100, 3250, 3290, 3500, 3875, 4030, 4277, 4340, 4375, 4550, 4700, 5425, 5642, 5828, 5875, 6110, 6500, 6580, 7285, 7750, 8060, 8125, 8225, 8554, 8750, 9100, 10075, 10199, 10850, 11284, 11375, 11750, 12220, 14105, 14570, 15275, 15500, 16250, 16450, 17108, 17500, 18941, 19375, 20150, 20398, 21385, 21700, 22750, 23500, 27125, 28210, 29140, 29375, 30550, 32500, 32900, 36425, 37882, 38750, 40300, 40796, 41125, 42770, 45500, 50375, 50995, 54250, 56420, 56875, 58750, 61100, 70525, 72850, 75764, 76375, 77500, 82250, 85540, 94705, 100750, 101990, 106925, 108500, 113750, 117500, 132587, 135625, 141050, 145700, 152750, 164500, 182125, 189410, 201500, 203980, 205625, 213850, 227500, 251875, 254975, 265174, 271250, 282100, 305500, 352625, 364250, 378820, 381875, 411250, 427700, 473525, 503750, 509950, 530348, 534625, 542500, 662935, 705250, 728500, 763750, 822500, 910625, 947050, 1007500, 1019900, 1069250, 1274875, 1325870, 1410500, 1527500, 1763125, 1821250, 1894100, 2138500, 2367625, 2549750, 2651740, 2673125, 3314675, 3526250, 3642500, 4735250, 5099500, 5346250, 6374375, 6629350, 7052500, 9470500, 10692500, 11838125, 12748750, 13258700, 16573375, 23676250, 25497500, 33146750, 47352500, 66293500, 82866875, 165733750, 331467500]

約数ペア:

[(1, 331467500), (2, 165733750), (4, 82866875), (5, 66293500), (7, 47352500), (10, 33146750), (13, 25497500), (14, 23676250), (20, 16573375), (25, 13258700), (26, 12748750), (28, 11838125), (31, 10692500), (35, 9470500), (47, 7052500), (50, 6629350), (52, 6374375), (62, 5346250), (65, 5099500), (70, 4735250), (91, 3642500), (94, 3526250), (100, 3314675), (124, 2673125), (125, 2651740), (130, 2549750), (140, 2367625), (155, 2138500), (175, 1894100), (182, 1821250), (188, 1763125), (217, 1527500), (235, 1410500), (250, 1325870), (260, 1274875), (310, 1069250), (325, 1019900), (329, 1007500), (350, 947050), (364, 910625), (403, 822500), (434, 763750), (455, 728500), (470, 705250), (500, 662935), (611, 542500), (620, 534625), (625, 530348), (650, 509950), (658, 503750), (700, 473525), (775, 427700), (806, 411250), (868, 381875), (875, 378820), (910, 364250), (940, 352625), (1085, 305500), (1175, 282100), (1222, 271250), (1250, 265174), (1300, 254975), (1316, 251875), (1457, 227500), (1550, 213850), (1612, 205625), (1625, 203980), (1645, 201500), (1750, 189410), (1820, 182125), (2015, 164500), (2170, 152750), (2275, 145700), (2350, 141050), (2444, 135625), (2500, 132587), (2821, 117500), (2914, 113750), (3055, 108500), (3100, 106925), (3250, 101990), (3290, 100750), (3500, 94705), (3875, 85540), (4030, 82250), (4277, 77500), (4340, 76375), (4375, 75764), (4550, 72850), (4700, 70525), (5425, 61100), (5642, 58750), (5828, 56875), (5875, 56420), (6110, 54250), (6500, 50995), (6580, 50375), (7285, 45500), (7750, 42770), (8060, 41125), (8125, 40796), (8225, 40300), (8554, 38750), (8750, 37882), (9100, 36425), (10075, 32900), (10199, 32500), (10850, 30550), (11284, 29375), (11375, 29140), (11750, 28210), (12220, 27125), (14105, 23500), (14570, 22750), (15275, 21700), (15500, 21385), (16250, 20398), (16450, 20150), (17108, 19375), (17500, 18941)]