201289240

素因数分解:

$2^3\times 5^1\times {\mathrm{349}}^1\times {\mathrm{14419}}^1$

素因数の和:14779

約数の個数: 32

約数和(自身を含む): 454230000

約数和(自身を除く): 252940760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 349, 698, 1396, 1745, 2792, 3490, 6980, 13960, 14419, 28838, 57676, 72095, 115352, 144190, 288380, 576760, 5032231, 10064462, 20128924, 25161155, 40257848, 50322310, 100644620, 201289240]

約数ペア:

[(1, 201289240), (2, 100644620), (4, 50322310), (5, 40257848), (8, 25161155), (10, 20128924), (20, 10064462), (40, 5032231), (349, 576760), (698, 288380), (1396, 144190), (1745, 115352), (2792, 72095), (3490, 57676), (6980, 28838), (13960, 14419)]