217957040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{13421}}^1$

素因数の和:13470

約数の個数: 80

約数和(自身を含む): 599158080

約数和(自身を除く): 381201040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 80, 112, 116, 140, 145, 203, 232, 280, 290, 406, 464, 560, 580, 812, 1015, 1160, 1624, 2030, 2320, 3248, 4060, 8120, 13421, 16240, 26842, 53684, 67105, 93947, 107368, 134210, 187894, 214736, 268420, 375788, 389209, 469735, 536840, 751576, 778418, 939470, 1073680, 1503152, 1556836, 1878940, 1946045, 2724463, 3113672, 3757880, 3892090, 5448926, 6227344, 7515760, 7784180, 10897852, 13622315, 15568360, 21795704, 27244630, 31136720, 43591408, 54489260, 108978520, 217957040]

約数ペア:

[(1, 217957040), (2, 108978520), (4, 54489260), (5, 43591408), (7, 31136720), (8, 27244630), (10, 21795704), (14, 15568360), (16, 13622315), (20, 10897852), (28, 7784180), (29, 7515760), (35, 6227344), (40, 5448926), (56, 3892090), (58, 3757880), (70, 3113672), (80, 2724463), (112, 1946045), (116, 1878940), (140, 1556836), (145, 1503152), (203, 1073680), (232, 939470), (280, 778418), (290, 751576), (406, 536840), (464, 469735), (560, 389209), (580, 375788), (812, 268420), (1015, 214736), (1160, 187894), (1624, 134210), (2030, 107368), (2320, 93947), (3248, 67105), (4060, 53684), (8120, 26842), (13421, 16240)]