78368620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{11491}}^1$

素因数の和:11542

約数の個数: 48

約数和(自身を含む): 185342976

約数和(自身を除く): 106974356

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 6820, 11491, 22982, 45964, 57455, 114910, 126401, 229820, 252802, 356221, 505604, 632005, 712442, 1264010, 1424884, 1781105, 2528020, 3562210, 3918431, 7124420, 7836862, 15673724, 19592155, 39184310, 78368620]

約数ペア:

[(1, 78368620), (2, 39184310), (4, 19592155), (5, 15673724), (10, 7836862), (11, 7124420), (20, 3918431), (22, 3562210), (31, 2528020), (44, 1781105), (55, 1424884), (62, 1264010), (110, 712442), (124, 632005), (155, 505604), (220, 356221), (310, 252802), (341, 229820), (620, 126401), (682, 114910), (1364, 57455), (1705, 45964), (3410, 22982), (6820, 11491)]