153207620

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1\times {\mathrm{523}}^1$

素因数の和:780

約数の個数: 48

約数和(自身を含む): 327831168

約数和(自身を除く): 174623548

約数列:

[1, 2, 4, 5, 10, 20, 97, 151, 194, 302, 388, 485, 523, 604, 755, 970, 1046, 1510, 1940, 2092, 2615, 3020, 5230, 10460, 14647, 29294, 50731, 58588, 73235, 78973, 101462, 146470, 157946, 202924, 253655, 292940, 315892, 394865, 507310, 789730, 1014620, 1579460, 7660381, 15320762, 30641524, 38301905, 76603810, 153207620]

約数ペア:

[(1, 153207620), (2, 76603810), (4, 38301905), (5, 30641524), (10, 15320762), (20, 7660381), (97, 1579460), (151, 1014620), (194, 789730), (302, 507310), (388, 394865), (485, 315892), (523, 292940), (604, 253655), (755, 202924), (970, 157946), (1046, 146470), (1510, 101462), (1940, 78973), (2092, 73235), (2615, 58588), (3020, 50731), (5230, 29294), (10460, 14647)]