12347620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 27342000

約数和(自身を除く): 14994380

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 61, 116, 122, 145, 244, 290, 305, 349, 580, 610, 698, 1220, 1396, 1745, 1769, 3490, 3538, 6980, 7076, 8845, 10121, 17690, 20242, 21289, 35380, 40484, 42578, 50605, 85156, 101210, 106445, 202420, 212890, 425780, 617381, 1234762, 2469524, 3086905, 6173810, 12347620]

約数ペア:

[(1, 12347620), (2, 6173810), (4, 3086905), (5, 2469524), (10, 1234762), (20, 617381), (29, 425780), (58, 212890), (61, 202420), (116, 106445), (122, 101210), (145, 85156), (244, 50605), (290, 42578), (305, 40484), (349, 35380), (580, 21289), (610, 20242), (698, 17690), (1220, 10121), (1396, 8845), (1745, 7076), (1769, 6980), (3490, 3538)]