17718760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{367}}^1$

素因数の和:466

約数の個数: 64

約数和(自身を含む): 42923520

約数和(自身を除く): 25204760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 71, 85, 136, 142, 170, 284, 340, 355, 367, 568, 680, 710, 734, 1207, 1420, 1468, 1835, 2414, 2840, 2936, 3670, 4828, 6035, 6239, 7340, 9656, 12070, 12478, 14680, 24140, 24956, 26057, 31195, 48280, 49912, 52114, 62390, 104228, 124780, 130285, 208456, 249560, 260570, 442969, 521140, 885938, 1042280, 1771876, 2214845, 3543752, 4429690, 8859380, 17718760]

約数ペア:

[(1, 17718760), (2, 8859380), (4, 4429690), (5, 3543752), (8, 2214845), (10, 1771876), (17, 1042280), (20, 885938), (34, 521140), (40, 442969), (68, 260570), (71, 249560), (85, 208456), (136, 130285), (142, 124780), (170, 104228), (284, 62390), (340, 52114), (355, 49912), (367, 48280), (568, 31195), (680, 26057), (710, 24956), (734, 24140), (1207, 14680), (1420, 12478), (1468, 12070), (1835, 9656), (2414, 7340), (2840, 6239), (2936, 6035), (3670, 4828)]