49991970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{2357}}^1$

素因数の和:2475

約数の個数: 64

約数和(自身を含む): 138537216

約数和(自身を除く): 88545246

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 101, 105, 202, 210, 303, 505, 606, 707, 1010, 1414, 1515, 2121, 2357, 3030, 3535, 4242, 4714, 7070, 7071, 10605, 11785, 14142, 16499, 21210, 23570, 32998, 35355, 49497, 70710, 82495, 98994, 164990, 238057, 247485, 476114, 494970, 714171, 1190285, 1428342, 1666399, 2380570, 3332798, 3570855, 4999197, 7141710, 8331995, 9998394, 16663990, 24995985, 49991970]

約数ペア:

[(1, 49991970), (2, 24995985), (3, 16663990), (5, 9998394), (6, 8331995), (7, 7141710), (10, 4999197), (14, 3570855), (15, 3332798), (21, 2380570), (30, 1666399), (35, 1428342), (42, 1190285), (70, 714171), (101, 494970), (105, 476114), (202, 247485), (210, 238057), (303, 164990), (505, 98994), (606, 82495), (707, 70710), (1010, 49497), (1414, 35355), (1515, 32998), (2121, 23570), (2357, 21210), (3030, 16499), (3535, 14142), (4242, 11785), (4714, 10605), (7070, 7071)]