279620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:92

約数の個数: 48

約数和(自身を含む): 677376

約数和(自身を除く): 397756

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 41, 44, 55, 62, 82, 110, 124, 155, 164, 205, 220, 310, 341, 410, 451, 620, 682, 820, 902, 1271, 1364, 1705, 1804, 2255, 2542, 3410, 4510, 5084, 6355, 6820, 9020, 12710, 13981, 25420, 27962, 55924, 69905, 139810, 279620]

約数ペア:

[(1, 279620), (2, 139810), (4, 69905), (5, 55924), (10, 27962), (11, 25420), (20, 13981), (22, 12710), (31, 9020), (41, 6820), (44, 6355), (55, 5084), (62, 4510), (82, 3410), (110, 2542), (124, 2255), (155, 1804), (164, 1705), (205, 1364), (220, 1271), (310, 902), (341, 820), (410, 682), (451, 620)]