154699775

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 209212800

約数和(自身を除く): 54513025

約数列:

[1, 5, 25, 29, 37, 73, 79, 145, 185, 365, 395, 725, 925, 1073, 1825, 1975, 2117, 2291, 2701, 2923, 5365, 5767, 10585, 11455, 13505, 14615, 26825, 28835, 52925, 57275, 67525, 73075, 78329, 84767, 144175, 167243, 213379, 391645, 423835, 836215, 1066895, 1958225, 2119175, 4181075, 5334475, 6187991, 30939955, 154699775]

約数ペア:

[(1, 154699775), (5, 30939955), (25, 6187991), (29, 5334475), (37, 4181075), (73, 2119175), (79, 1958225), (145, 1066895), (185, 836215), (365, 423835), (395, 391645), (725, 213379), (925, 167243), (1073, 144175), (1825, 84767), (1975, 78329), (2117, 73075), (2291, 67525), (2701, 57275), (2923, 52925), (5365, 28835), (5767, 26825), (10585, 14615), (11455, 13505)]