169968280

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{63421}}^1$

素因数の和:63499

約数の個数: 32

約数和(自身を含む): 388142640

約数和(自身を除く): 218174360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 63421, 126842, 253684, 317105, 507368, 634210, 1268420, 2536840, 4249207, 8498414, 16996828, 21246035, 33993656, 42492070, 84984140, 169968280]

約数ペア:

[(1, 169968280), (2, 84984140), (4, 42492070), (5, 33993656), (8, 21246035), (10, 16996828), (20, 8498414), (40, 4249207), (67, 2536840), (134, 1268420), (268, 634210), (335, 507368), (536, 317105), (670, 253684), (1340, 126842), (2680, 63421)]