397440010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^2\times {\mathrm{971}}^1$

素因数の和:1111

約数の個数: 48

約数和(自身を含む): 794248416

約数和(自身を除く): 396808406

約数列:

[1, 2, 5, 10, 11, 22, 55, 61, 110, 122, 305, 610, 671, 971, 1342, 1942, 3355, 3721, 4855, 6710, 7442, 9710, 10681, 18605, 21362, 37210, 40931, 53405, 59231, 81862, 106810, 118462, 204655, 296155, 409310, 592310, 651541, 1303082, 3257705, 3613091, 6515410, 7226182, 18065455, 36130910, 39744001, 79488002, 198720005, 397440010]

約数ペア:

[(1, 397440010), (2, 198720005), (5, 79488002), (10, 39744001), (11, 36130910), (22, 18065455), (55, 7226182), (61, 6515410), (110, 3613091), (122, 3257705), (305, 1303082), (610, 651541), (671, 592310), (971, 409310), (1342, 296155), (1942, 204655), (3355, 118462), (3721, 106810), (4855, 81862), (6710, 59231), (7442, 53405), (9710, 40931), (10681, 37210), (18605, 21362)]