2912759920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{239}}^1\times {\mathrm{3109}}^1$

素因数の和:3375

約数の個数: 120

約数和(自身を含む): 7913332800

約数和(自身を除く): 5000572880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 239, 245, 280, 392, 478, 490, 560, 784, 956, 980, 1195, 1673, 1912, 1960, 2390, 3109, 3346, 3824, 3920, 4780, 6218, 6692, 8365, 9560, 11711, 12436, 13384, 15545, 16730, 19120, 21763, 23422, 24872, 26768, 31090, 33460, 43526, 46844, 49744, 58555, 62180, 66920, 87052, 93688, 108815, 117110, 124360, 133840, 152341, 174104, 187376, 217630, 234220, 248720, 304682, 348208, 435260, 468440, 609364, 743051, 761705, 870520, 936880, 1218728, 1486102, 1523410, 1741040, 2437456, 2972204, 3046820, 3715255, 5201357, 5944408, 6093640, 7430510, 10402714, 11888816, 12187280, 14861020, 20805428, 26006785, 29722040, 36409499, 41610856, 52013570, 59444080, 72818998, 83221712, 104027140, 145637996, 182047495, 208054280, 291275992, 364094990, 416108560, 582551984, 728189980, 1456379960, 2912759920]

約数ペア:

[(1, 2912759920), (2, 1456379960), (4, 728189980), (5, 582551984), (7, 416108560), (8, 364094990), (10, 291275992), (14, 208054280), (16, 182047495), (20, 145637996), (28, 104027140), (35, 83221712), (40, 72818998), (49, 59444080), (56, 52013570), (70, 41610856), (80, 36409499), (98, 29722040), (112, 26006785), (140, 20805428), (196, 14861020), (239, 12187280), (245, 11888816), (280, 10402714), (392, 7430510), (478, 6093640), (490, 5944408), (560, 5201357), (784, 3715255), (956, 3046820), (980, 2972204), (1195, 2437456), (1673, 1741040), (1912, 1523410), (1960, 1486102), (2390, 1218728), (3109, 936880), (3346, 870520), (3824, 761705), (3920, 743051), (4780, 609364), (6218, 468440), (6692, 435260), (8365, 348208), (9560, 304682), (11711, 248720), (12436, 234220), (13384, 217630), (15545, 187376), (16730, 174104), (19120, 152341), (21763, 133840), (23422, 124360), (24872, 117110), (26768, 108815), (31090, 93688), (33460, 87052), (43526, 66920), (46844, 62180), (49744, 58555)]