17717740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^2$

素因数の和:139

約数の個数: 72

約数和(自身を含む): 41682816

約数和(自身を除く): 23965076

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 41, 62, 68, 82, 85, 124, 155, 164, 170, 205, 310, 340, 410, 527, 620, 697, 820, 1054, 1271, 1394, 1681, 2108, 2542, 2635, 2788, 3362, 3485, 5084, 5270, 6355, 6724, 6970, 8405, 10540, 12710, 13940, 16810, 21607, 25420, 28577, 33620, 43214, 52111, 57154, 86428, 104222, 108035, 114308, 142885, 208444, 216070, 260555, 285770, 432140, 521110, 571540, 885887, 1042220, 1771774, 3543548, 4429435, 8858870, 17717740]

約数ペア:

[(1, 17717740), (2, 8858870), (4, 4429435), (5, 3543548), (10, 1771774), (17, 1042220), (20, 885887), (31, 571540), (34, 521110), (41, 432140), (62, 285770), (68, 260555), (82, 216070), (85, 208444), (124, 142885), (155, 114308), (164, 108035), (170, 104222), (205, 86428), (310, 57154), (340, 52111), (410, 43214), (527, 33620), (620, 28577), (697, 25420), (820, 21607), (1054, 16810), (1271, 13940), (1394, 12710), (1681, 10540), (2108, 8405), (2542, 6970), (2635, 6724), (2788, 6355), (3362, 5270), (3485, 5084)]