89230820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{8731}}^1$

素因数の和:8820

約数の個数: 48

約数和(自身を含む): 217112448

約数和(自身を除く): 127881628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 5110, 8731, 10220, 17462, 34924, 43655, 61117, 87310, 122234, 174620, 244468, 305585, 611170, 637363, 1222340, 1274726, 2549452, 3186815, 4461541, 6373630, 8923082, 12747260, 17846164, 22307705, 44615410, 89230820]

約数ペア:

[(1, 89230820), (2, 44615410), (4, 22307705), (5, 17846164), (7, 12747260), (10, 8923082), (14, 6373630), (20, 4461541), (28, 3186815), (35, 2549452), (70, 1274726), (73, 1222340), (140, 637363), (146, 611170), (292, 305585), (365, 244468), (511, 174620), (730, 122234), (1022, 87310), (1460, 61117), (2044, 43655), (2555, 34924), (5110, 17462), (8731, 10220)]