204570740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{40429}}^1$

素因数の和:40472

約数の個数: 48

約数和(自身を含む): 489041280

約数和(自身を除く): 284470540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 5060, 40429, 80858, 161716, 202145, 404290, 444719, 808580, 889438, 929867, 1778876, 1859734, 2223595, 3719468, 4447190, 4649335, 8894380, 9298670, 10228537, 18597340, 20457074, 40914148, 51142685, 102285370, 204570740]

約数ペア:

[(1, 204570740), (2, 102285370), (4, 51142685), (5, 40914148), (10, 20457074), (11, 18597340), (20, 10228537), (22, 9298670), (23, 8894380), (44, 4649335), (46, 4447190), (55, 3719468), (92, 2223595), (110, 1859734), (115, 1778876), (220, 929867), (230, 889438), (253, 808580), (460, 444719), (506, 404290), (1012, 202145), (1265, 161716), (2530, 80858), (5060, 40429)]