2389480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:130

約数の個数: 64

約数和(自身を含む): 5806080

約数和(自身を除く): 3416600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 41, 47, 62, 82, 94, 124, 155, 164, 188, 205, 235, 248, 310, 328, 376, 410, 470, 620, 820, 940, 1240, 1271, 1457, 1640, 1880, 1927, 2542, 2914, 3854, 5084, 5828, 6355, 7285, 7708, 9635, 10168, 11656, 12710, 14570, 15416, 19270, 25420, 29140, 38540, 50840, 58280, 59737, 77080, 119474, 238948, 298685, 477896, 597370, 1194740, 2389480]

約数ペア:

[(1, 2389480), (2, 1194740), (4, 597370), (5, 477896), (8, 298685), (10, 238948), (20, 119474), (31, 77080), (40, 59737), (41, 58280), (47, 50840), (62, 38540), (82, 29140), (94, 25420), (124, 19270), (155, 15416), (164, 14570), (188, 12710), (205, 11656), (235, 10168), (248, 9635), (310, 7708), (328, 7285), (376, 6355), (410, 5828), (470, 5084), (620, 3854), (820, 2914), (940, 2542), (1240, 1927), (1271, 1880), (1457, 1640)]