73668820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{557}}^1$

素因数の和:972

約数の個数: 48

約数和(自身を含む): 164520720

約数和(自身を除く): 90851900

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 389, 557, 778, 1114, 1556, 1945, 2228, 2785, 3890, 5570, 6613, 7780, 9469, 11140, 13226, 18938, 26452, 33065, 37876, 47345, 66130, 94690, 132260, 189380, 216673, 433346, 866692, 1083365, 2166730, 3683441, 4333460, 7366882, 14733764, 18417205, 36834410, 73668820]

約数ペア:

[(1, 73668820), (2, 36834410), (4, 18417205), (5, 14733764), (10, 7366882), (17, 4333460), (20, 3683441), (34, 2166730), (68, 1083365), (85, 866692), (170, 433346), (340, 216673), (389, 189380), (557, 132260), (778, 94690), (1114, 66130), (1556, 47345), (1945, 37876), (2228, 33065), (2785, 26452), (3890, 18938), (5570, 13226), (6613, 11140), (7780, 9469)]