1229320

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{421}}^1$

素因数の和:505

約数の個数: 32

約数和(自身を含む): 2810520

約数和(自身を除く): 1581200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 421, 584, 730, 842, 1460, 1684, 2105, 2920, 3368, 4210, 8420, 16840, 30733, 61466, 122932, 153665, 245864, 307330, 614660, 1229320]

約数ペア:

[(1, 1229320), (2, 614660), (4, 307330), (5, 245864), (8, 153665), (10, 122932), (20, 61466), (40, 30733), (73, 16840), (146, 8420), (292, 4210), (365, 3368), (421, 2920), (584, 2105), (730, 1684), (842, 1460)]