291246340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{499}}^1$

素因数の和:905

約数の個数: 96

約数和(自身を含む): 766080000

約数和(自身を除く): 474833660

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 379, 385, 499, 758, 770, 998, 1516, 1540, 1895, 1996, 2495, 2653, 3493, 3790, 4169, 4990, 5306, 5489, 6986, 7580, 8338, 9980, 10612, 10978, 13265, 13972, 16676, 17465, 20845, 21956, 26530, 27445, 29183, 34930, 38423, 41690, 53060, 54890, 58366, 69860, 76846, 83380, 109780, 116732, 145915, 153692, 189121, 192115, 291830, 378242, 384230, 583660, 756484, 768460, 945605, 1323847, 1891210, 2080331, 2647694, 3782420, 4160662, 5295388, 6619235, 8321324, 10401655, 13238470, 14562317, 20803310, 26476940, 29124634, 41606620, 58249268, 72811585, 145623170, 291246340]

約数ペア:

[(1, 291246340), (2, 145623170), (4, 72811585), (5, 58249268), (7, 41606620), (10, 29124634), (11, 26476940), (14, 20803310), (20, 14562317), (22, 13238470), (28, 10401655), (35, 8321324), (44, 6619235), (55, 5295388), (70, 4160662), (77, 3782420), (110, 2647694), (140, 2080331), (154, 1891210), (220, 1323847), (308, 945605), (379, 768460), (385, 756484), (499, 583660), (758, 384230), (770, 378242), (998, 291830), (1516, 192115), (1540, 189121), (1895, 153692), (1996, 145915), (2495, 116732), (2653, 109780), (3493, 83380), (3790, 76846), (4169, 69860), (4990, 58366), (5306, 54890), (5489, 53060), (6986, 41690), (7580, 38423), (8338, 34930), (9980, 29183), (10612, 27445), (10978, 26530), (13265, 21956), (13972, 20845), (16676, 17465)]