2018484500

素因数分解:

$2^2\times 5^3\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{421}}^1$

素因数の和:706

約数の個数: 96

約数和(自身を含む): 4541881344

約数和(自身を除く): 2523396844

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 125, 172, 215, 223, 250, 421, 430, 446, 500, 842, 860, 892, 1075, 1115, 1684, 2105, 2150, 2230, 4210, 4300, 4460, 5375, 5575, 8420, 9589, 10525, 10750, 11150, 18103, 19178, 21050, 21500, 22300, 27875, 36206, 38356, 42100, 47945, 52625, 55750, 72412, 90515, 93883, 95890, 105250, 111500, 181030, 187766, 191780, 210500, 239725, 362060, 375532, 452575, 469415, 479450, 905150, 938830, 958900, 1198625, 1810300, 1877660, 2262875, 2347075, 2397250, 4036969, 4525750, 4694150, 4794500, 8073938, 9051500, 9388300, 11735375, 16147876, 20184845, 23470750, 40369690, 46941500, 80739380, 100924225, 201848450, 403696900, 504621125, 1009242250, 2018484500]

約数ペア:

[(1, 2018484500), (2, 1009242250), (4, 504621125), (5, 403696900), (10, 201848450), (20, 100924225), (25, 80739380), (43, 46941500), (50, 40369690), (86, 23470750), (100, 20184845), (125, 16147876), (172, 11735375), (215, 9388300), (223, 9051500), (250, 8073938), (421, 4794500), (430, 4694150), (446, 4525750), (500, 4036969), (842, 2397250), (860, 2347075), (892, 2262875), (1075, 1877660), (1115, 1810300), (1684, 1198625), (2105, 958900), (2150, 938830), (2230, 905150), (4210, 479450), (4300, 469415), (4460, 452575), (5375, 375532), (5575, 362060), (8420, 239725), (9589, 210500), (10525, 191780), (10750, 187766), (11150, 181030), (18103, 111500), (19178, 105250), (21050, 95890), (21500, 93883), (22300, 90515), (27875, 72412), (36206, 55750), (38356, 52625), (42100, 47945)]