55169940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{131357}}^1$

素因数の和:131376

約数の個数: 48

約数和(自身を含む): 176545152

約数和(自身を除く): 121375212

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 131357, 262714, 394071, 525428, 656785, 788142, 919499, 1313570, 1576284, 1838998, 1970355, 2627140, 2758497, 3677996, 3940710, 4597495, 5516994, 7881420, 9194990, 11033988, 13792485, 18389980, 27584970, 55169940]

約数ペア:

[(1, 55169940), (2, 27584970), (3, 18389980), (4, 13792485), (5, 11033988), (6, 9194990), (7, 7881420), (10, 5516994), (12, 4597495), (14, 3940710), (15, 3677996), (20, 2758497), (21, 2627140), (28, 1970355), (30, 1838998), (35, 1576284), (42, 1313570), (60, 919499), (70, 788142), (84, 656785), (105, 525428), (140, 394071), (210, 262714), (420, 131357)]