81536870

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1\times {\mathrm{383}}^1$

素因数の和:800

約数の個数: 32

約数和(自身を含む): 149990400

約数和(自身を除く): 68453530

約数列:

[1, 2, 5, 10, 61, 122, 305, 349, 383, 610, 698, 766, 1745, 1915, 3490, 3830, 21289, 23363, 42578, 46726, 106445, 116815, 133667, 212890, 233630, 267334, 668335, 1336670, 8153687, 16307374, 40768435, 81536870]

約数ペア:

[(1, 81536870), (2, 40768435), (5, 16307374), (10, 8153687), (61, 1336670), (122, 668335), (305, 267334), (349, 233630), (383, 212890), (610, 133667), (698, 116815), (766, 106445), (1745, 46726), (1915, 42578), (3490, 23363), (3830, 21289)]