148368820

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{263}}^1\times {\mathrm{421}}^1$

素因数の和:760

約数の個数: 48

約数和(自身を含む): 318181248

約数和(自身を除く): 169812428

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 263, 268, 335, 421, 526, 670, 842, 1052, 1315, 1340, 1684, 2105, 2630, 4210, 5260, 8420, 17621, 28207, 35242, 56414, 70484, 88105, 110723, 112828, 141035, 176210, 221446, 282070, 352420, 442892, 553615, 564140, 1107230, 2214460, 7418441, 14836882, 29673764, 37092205, 74184410, 148368820]

約数ペア:

[(1, 148368820), (2, 74184410), (4, 37092205), (5, 29673764), (10, 14836882), (20, 7418441), (67, 2214460), (134, 1107230), (263, 564140), (268, 553615), (335, 442892), (421, 352420), (526, 282070), (670, 221446), (842, 176210), (1052, 141035), (1315, 112828), (1340, 110723), (1684, 88105), (2105, 70484), (2630, 56414), (4210, 35242), (5260, 28207), (8420, 17621)]