1880493790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{569}}^1\times {\mathrm{1523}}^1$

素因数の和:2137

約数の個数: 64

約数和(自身を含む): 4002877440

約数和(自身を除く): 2122383650

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 569, 1085, 1138, 1523, 2170, 2845, 3046, 3983, 5690, 7615, 7966, 10661, 15230, 17639, 19915, 21322, 35278, 39830, 47213, 53305, 88195, 94426, 106610, 123473, 176390, 236065, 246946, 330491, 472130, 617365, 660982, 866587, 1234730, 1652455, 1733174, 3304910, 4332935, 6066109, 8665870, 12132218, 26864197, 30330545, 53728394, 60661090, 134320985, 188049379, 268641970, 376098758, 940246895, 1880493790]

約数ペア:

[(1, 1880493790), (2, 940246895), (5, 376098758), (7, 268641970), (10, 188049379), (14, 134320985), (31, 60661090), (35, 53728394), (62, 30330545), (70, 26864197), (155, 12132218), (217, 8665870), (310, 6066109), (434, 4332935), (569, 3304910), (1085, 1733174), (1138, 1652455), (1523, 1234730), (2170, 866587), (2845, 660982), (3046, 617365), (3983, 472130), (5690, 330491), (7615, 246946), (7966, 236065), (10661, 176390), (15230, 123473), (17639, 106610), (19915, 94426), (21322, 88195), (35278, 53305), (39830, 47213)]