798640

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:229

約数の個数: 40

約数和(自身を含む): 1897200

約数和(自身を除く): 1098560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 149, 268, 298, 335, 536, 596, 670, 745, 1072, 1192, 1340, 1490, 2384, 2680, 2980, 5360, 5960, 9983, 11920, 19966, 39932, 49915, 79864, 99830, 159728, 199660, 399320, 798640]

約数ペア:

[(1, 798640), (2, 399320), (4, 199660), (5, 159728), (8, 99830), (10, 79864), (16, 49915), (20, 39932), (40, 19966), (67, 11920), (80, 9983), (134, 5960), (149, 5360), (268, 2980), (298, 2680), (335, 2384), (536, 1490), (596, 1340), (670, 1192), (745, 1072)]