1643620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 3902976

約数和(自身を除く): 2259356

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 241, 310, 341, 482, 620, 682, 964, 1205, 1364, 1705, 2410, 2651, 3410, 4820, 5302, 6820, 7471, 10604, 13255, 14942, 26510, 29884, 37355, 53020, 74710, 82181, 149420, 164362, 328724, 410905, 821810, 1643620]

約数ペア:

[(1, 1643620), (2, 821810), (4, 410905), (5, 328724), (10, 164362), (11, 149420), (20, 82181), (22, 74710), (31, 53020), (44, 37355), (55, 29884), (62, 26510), (110, 14942), (124, 13255), (155, 10604), (220, 7471), (241, 6820), (310, 5302), (341, 4820), (482, 3410), (620, 2651), (682, 2410), (964, 1705), (1205, 1364)]