2105156690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{241}}^1\times {\mathrm{331}}^1$

素因数の和:628

約数の個数: 128

約数和(自身を含む): 4859205120

約数和(自身を除く): 2754048430

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 29, 35, 58, 65, 70, 91, 130, 145, 182, 203, 241, 290, 331, 377, 406, 455, 482, 662, 754, 910, 1015, 1205, 1655, 1687, 1885, 2030, 2317, 2410, 2639, 3133, 3310, 3374, 3770, 4303, 4634, 5278, 6266, 6989, 8435, 8606, 9599, 11585, 13195, 13978, 15665, 16870, 19198, 21515, 21931, 23170, 26390, 30121, 31330, 34945, 43030, 43862, 47995, 48923, 60242, 67193, 69890, 79771, 90857, 95990, 97846, 109655, 124787, 134386, 150605, 159542, 181714, 219310, 244615, 249574, 301210, 335965, 398855, 454285, 489230, 558397, 623935, 635999, 671930, 797710, 873509, 908570, 1037023, 1116794, 1247870, 1271998, 1747018, 2074046, 2313359, 2791985, 3179995, 4367545, 4626718, 5185115, 5583970, 6359990, 7259161, 8735090, 10370230, 11566795, 14518322, 16193513, 23133590, 30073667, 32387026, 36295805, 60147334, 72591610, 80967565, 150368335, 161935130, 210515669, 300736670, 421031338, 1052578345, 2105156690]

約数ペア:

[(1, 2105156690), (2, 1052578345), (5, 421031338), (7, 300736670), (10, 210515669), (13, 161935130), (14, 150368335), (26, 80967565), (29, 72591610), (35, 60147334), (58, 36295805), (65, 32387026), (70, 30073667), (91, 23133590), (130, 16193513), (145, 14518322), (182, 11566795), (203, 10370230), (241, 8735090), (290, 7259161), (331, 6359990), (377, 5583970), (406, 5185115), (455, 4626718), (482, 4367545), (662, 3179995), (754, 2791985), (910, 2313359), (1015, 2074046), (1205, 1747018), (1655, 1271998), (1687, 1247870), (1885, 1116794), (2030, 1037023), (2317, 908570), (2410, 873509), (2639, 797710), (3133, 671930), (3310, 635999), (3374, 623935), (3770, 558397), (4303, 489230), (4634, 454285), (5278, 398855), (6266, 335965), (6989, 301210), (8435, 249574), (8606, 244615), (9599, 219310), (11585, 181714), (13195, 159542), (13978, 150605), (15665, 134386), (16870, 124787), (19198, 109655), (21515, 97846), (21931, 95990), (23170, 90857), (26390, 79771), (30121, 69890), (31330, 67193), (34945, 60242), (43030, 48923), (43862, 47995)]