7342240

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{421}}^1$

素因数の和:545

約数の個数: 48

約数和(自身を含む): 17546760

約数和(自身を除く): 10204520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 421, 436, 545, 842, 872, 1090, 1684, 1744, 2105, 2180, 3368, 3488, 4210, 4360, 6736, 8420, 8720, 13472, 16840, 17440, 33680, 45889, 67360, 91778, 183556, 229445, 367112, 458890, 734224, 917780, 1468448, 1835560, 3671120, 7342240]

約数ペア:

[(1, 7342240), (2, 3671120), (4, 1835560), (5, 1468448), (8, 917780), (10, 734224), (16, 458890), (20, 367112), (32, 229445), (40, 183556), (80, 91778), (109, 67360), (160, 45889), (218, 33680), (421, 17440), (436, 16840), (545, 13472), (842, 8720), (872, 8420), (1090, 6736), (1684, 4360), (1744, 4210), (2105, 3488), (2180, 3368)]