68685460

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{797}}^1$

素因数の和:976

約数の個数: 48

約数和(自身を含む): 150151680

約数和(自身を除く): 81466220

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 139, 155, 278, 310, 556, 620, 695, 797, 1390, 1594, 2780, 3188, 3985, 4309, 7970, 8618, 15940, 17236, 21545, 24707, 43090, 49414, 86180, 98828, 110783, 123535, 221566, 247070, 443132, 494140, 553915, 1107830, 2215660, 3434273, 6868546, 13737092, 17171365, 34342730, 68685460]

約数ペア:

[(1, 68685460), (2, 34342730), (4, 17171365), (5, 13737092), (10, 6868546), (20, 3434273), (31, 2215660), (62, 1107830), (124, 553915), (139, 494140), (155, 443132), (278, 247070), (310, 221566), (556, 123535), (620, 110783), (695, 98828), (797, 86180), (1390, 49414), (1594, 43090), (2780, 24707), (3188, 21545), (3985, 17236), (4309, 15940), (7970, 8618)]