89814820

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{227}}^1\times {\mathrm{271}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 192745728

約数和(自身を除く): 102930908

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 227, 271, 292, 365, 454, 542, 730, 908, 1084, 1135, 1355, 1460, 2270, 2710, 4540, 5420, 16571, 19783, 33142, 39566, 61517, 66284, 79132, 82855, 98915, 123034, 165710, 197830, 246068, 307585, 331420, 395660, 615170, 1230340, 4490741, 8981482, 17962964, 22453705, 44907410, 89814820]

約数ペア:

[(1, 89814820), (2, 44907410), (4, 22453705), (5, 17962964), (10, 8981482), (20, 4490741), (73, 1230340), (146, 615170), (227, 395660), (271, 331420), (292, 307585), (365, 246068), (454, 197830), (542, 165710), (730, 123034), (908, 98915), (1084, 82855), (1135, 79132), (1355, 66284), (1460, 61517), (2270, 39566), (2710, 33142), (4540, 19783), (5420, 16571)]