7295540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^2$

素因数の和:129

約数の個数: 72

約数和(自身を含む): 18525696

約数和(自身を除く): 11230156

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 41, 62, 70, 82, 124, 140, 155, 164, 205, 217, 287, 310, 410, 434, 574, 620, 820, 868, 1085, 1148, 1271, 1435, 1681, 2170, 2542, 2870, 3362, 4340, 5084, 5740, 6355, 6724, 8405, 8897, 11767, 12710, 16810, 17794, 23534, 25420, 33620, 35588, 44485, 47068, 52111, 58835, 88970, 104222, 117670, 177940, 208444, 235340, 260555, 364777, 521110, 729554, 1042220, 1459108, 1823885, 3647770, 7295540]

約数ペア:

[(1, 7295540), (2, 3647770), (4, 1823885), (5, 1459108), (7, 1042220), (10, 729554), (14, 521110), (20, 364777), (28, 260555), (31, 235340), (35, 208444), (41, 177940), (62, 117670), (70, 104222), (82, 88970), (124, 58835), (140, 52111), (155, 47068), (164, 44485), (205, 35588), (217, 33620), (287, 25420), (310, 23534), (410, 17794), (434, 16810), (574, 12710), (620, 11767), (820, 8897), (868, 8405), (1085, 6724), (1148, 6355), (1271, 5740), (1435, 5084), (1681, 4340), (2170, 3362), (2542, 2870)]