2905240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1$

素因数の和:212

約数の個数: 64

約数和(自身を含む): 7277760

約数和(自身を除く): 4372520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 151, 185, 260, 296, 302, 370, 481, 520, 604, 740, 755, 962, 1208, 1480, 1510, 1924, 1963, 2405, 3020, 3848, 3926, 4810, 5587, 6040, 7852, 9620, 9815, 11174, 15704, 19240, 19630, 22348, 27935, 39260, 44696, 55870, 72631, 78520, 111740, 145262, 223480, 290524, 363155, 581048, 726310, 1452620, 2905240]

約数ペア:

[(1, 2905240), (2, 1452620), (4, 726310), (5, 581048), (8, 363155), (10, 290524), (13, 223480), (20, 145262), (26, 111740), (37, 78520), (40, 72631), (52, 55870), (65, 44696), (74, 39260), (104, 27935), (130, 22348), (148, 19630), (151, 19240), (185, 15704), (260, 11174), (296, 9815), (302, 9620), (370, 7852), (481, 6040), (520, 5587), (604, 4810), (740, 3926), (755, 3848), (962, 3020), (1208, 2405), (1480, 1963), (1510, 1924)]