57772220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:291

約数の個数: 96

約数和(自身を含む): 140507136

約数和(自身を除く): 82734916

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 43, 44, 55, 62, 86, 110, 124, 155, 172, 197, 215, 220, 310, 341, 394, 430, 473, 620, 682, 788, 860, 946, 985, 1333, 1364, 1705, 1892, 1970, 2167, 2365, 2666, 3410, 3940, 4334, 4730, 5332, 6107, 6665, 6820, 8471, 8668, 9460, 10835, 12214, 13330, 14663, 16942, 21670, 24428, 26660, 29326, 30535, 33884, 42355, 43340, 58652, 61070, 67177, 73315, 84710, 93181, 122140, 134354, 146630, 169420, 186362, 262601, 268708, 293260, 335885, 372724, 465905, 525202, 671770, 931810, 1050404, 1313005, 1343540, 1863620, 2626010, 2888611, 5252020, 5777222, 11554444, 14443055, 28886110, 57772220]

約数ペア:

[(1, 57772220), (2, 28886110), (4, 14443055), (5, 11554444), (10, 5777222), (11, 5252020), (20, 2888611), (22, 2626010), (31, 1863620), (43, 1343540), (44, 1313005), (55, 1050404), (62, 931810), (86, 671770), (110, 525202), (124, 465905), (155, 372724), (172, 335885), (197, 293260), (215, 268708), (220, 262601), (310, 186362), (341, 169420), (394, 146630), (430, 134354), (473, 122140), (620, 93181), (682, 84710), (788, 73315), (860, 67177), (946, 61070), (985, 58652), (1333, 43340), (1364, 42355), (1705, 33884), (1892, 30535), (1970, 29326), (2167, 26660), (2365, 24428), (2666, 21670), (3410, 16942), (3940, 14663), (4334, 13330), (4730, 12214), (5332, 10835), (6107, 9460), (6665, 8668), (6820, 8471)]