137441540

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{112657}}^1$

素因数の和:112727

約数の個数: 24

約数和(自身を含む): 293361432

約数和(自身を除く): 155919892

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 112657, 225314, 450628, 563285, 1126570, 2253140, 6872077, 13744154, 27488308, 34360385, 68720770, 137441540]

約数ペア:

[(1, 137441540), (2, 68720770), (4, 34360385), (5, 27488308), (10, 13744154), (20, 6872077), (61, 2253140), (122, 1126570), (244, 563285), (305, 450628), (610, 225314), (1220, 112657)]