355880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:90

約数の個数: 64

約数和(自身を含む): 967680

約数和(自身を除く): 611800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 41, 56, 62, 70, 82, 124, 140, 155, 164, 205, 217, 248, 280, 287, 310, 328, 410, 434, 574, 620, 820, 868, 1085, 1148, 1240, 1271, 1435, 1640, 1736, 2170, 2296, 2542, 2870, 4340, 5084, 5740, 6355, 8680, 8897, 10168, 11480, 12710, 17794, 25420, 35588, 44485, 50840, 71176, 88970, 177940, 355880]

約数ペア:

[(1, 355880), (2, 177940), (4, 88970), (5, 71176), (7, 50840), (8, 44485), (10, 35588), (14, 25420), (20, 17794), (28, 12710), (31, 11480), (35, 10168), (40, 8897), (41, 8680), (56, 6355), (62, 5740), (70, 5084), (82, 4340), (124, 2870), (140, 2542), (155, 2296), (164, 2170), (205, 1736), (217, 1640), (248, 1435), (280, 1271), (287, 1240), (310, 1148), (328, 1085), (410, 868), (434, 820), (574, 620)]