204621080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{3511}}^1$

素因数の和:3600

約数の個数: 64

約数和(自身を含む): 485498880

約数和(自身を除く): 280877800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 47, 62, 94, 124, 155, 188, 235, 248, 310, 376, 470, 620, 940, 1240, 1457, 1880, 2914, 3511, 5828, 7022, 7285, 11656, 14044, 14570, 17555, 28088, 29140, 35110, 58280, 70220, 108841, 140440, 165017, 217682, 330034, 435364, 544205, 660068, 825085, 870728, 1088410, 1320136, 1650170, 2176820, 3300340, 4353640, 5115527, 6600680, 10231054, 20462108, 25577635, 40924216, 51155270, 102310540, 204621080]

約数ペア:

[(1, 204621080), (2, 102310540), (4, 51155270), (5, 40924216), (8, 25577635), (10, 20462108), (20, 10231054), (31, 6600680), (40, 5115527), (47, 4353640), (62, 3300340), (94, 2176820), (124, 1650170), (155, 1320136), (188, 1088410), (235, 870728), (248, 825085), (310, 660068), (376, 544205), (470, 435364), (620, 330034), (940, 217682), (1240, 165017), (1457, 140440), (1880, 108841), (2914, 70220), (3511, 58280), (5828, 35110), (7022, 29140), (7285, 28088), (11656, 17555), (14044, 14570)]