348484240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{335081}}^1$

素因数の和:335107

約数の個数: 40

約数和(自身を含む): 872553528

約数和(自身を除く): 524069288

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 335081, 670162, 1340324, 1675405, 2680648, 3350810, 4356053, 5361296, 6701620, 8712106, 13403240, 17424212, 21780265, 26806480, 34848424, 43560530, 69696848, 87121060, 174242120, 348484240]

約数ペア:

[(1, 348484240), (2, 174242120), (4, 87121060), (5, 69696848), (8, 43560530), (10, 34848424), (13, 26806480), (16, 21780265), (20, 17424212), (26, 13403240), (40, 8712106), (52, 6701620), (65, 5361296), (80, 4356053), (104, 3350810), (130, 2680648), (208, 1675405), (260, 1340324), (520, 670162), (1040, 335081)]