204547460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{829}}^1$

素因数の和:937

約数の個数: 72

約数和(自身を含む): 472074120

約数和(自身を除く): 267526660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 169, 260, 292, 338, 365, 676, 730, 829, 845, 949, 1460, 1658, 1690, 1898, 3316, 3380, 3796, 4145, 4745, 8290, 9490, 10777, 12337, 16580, 18980, 21554, 24674, 43108, 49348, 53885, 60517, 61685, 107770, 121034, 123370, 140101, 215540, 242068, 246740, 280202, 302585, 560404, 605170, 700505, 786721, 1210340, 1401010, 1573442, 2802020, 3146884, 3933605, 7867210, 10227373, 15734420, 20454746, 40909492, 51136865, 102273730, 204547460]

約数ペア:

[(1, 204547460), (2, 102273730), (4, 51136865), (5, 40909492), (10, 20454746), (13, 15734420), (20, 10227373), (26, 7867210), (52, 3933605), (65, 3146884), (73, 2802020), (130, 1573442), (146, 1401010), (169, 1210340), (260, 786721), (292, 700505), (338, 605170), (365, 560404), (676, 302585), (730, 280202), (829, 246740), (845, 242068), (949, 215540), (1460, 140101), (1658, 123370), (1690, 121034), (1898, 107770), (3316, 61685), (3380, 60517), (3796, 53885), (4145, 49348), (4745, 43108), (8290, 24674), (9490, 21554), (10777, 18980), (12337, 16580)]