420523490

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{941}}^1$

素因数の和:1067

約数の個数: 64

約数和(自身を含む): 830165760

約数和(自身を除く): 409642270

約数列:

[1, 2, 5, 10, 23, 29, 46, 58, 67, 115, 134, 145, 230, 290, 335, 667, 670, 941, 1334, 1541, 1882, 1943, 3082, 3335, 3886, 4705, 6670, 7705, 9410, 9715, 15410, 19430, 21643, 27289, 43286, 44689, 54578, 63047, 89378, 108215, 126094, 136445, 216430, 223445, 272890, 315235, 446890, 627647, 630470, 1255294, 1450081, 1828363, 2900162, 3138235, 3656726, 6276470, 7250405, 9141815, 14500810, 18283630, 42052349, 84104698, 210261745, 420523490]

約数ペア:

[(1, 420523490), (2, 210261745), (5, 84104698), (10, 42052349), (23, 18283630), (29, 14500810), (46, 9141815), (58, 7250405), (67, 6276470), (115, 3656726), (134, 3138235), (145, 2900162), (230, 1828363), (290, 1450081), (335, 1255294), (667, 630470), (670, 627647), (941, 446890), (1334, 315235), (1541, 272890), (1882, 223445), (1943, 216430), (3082, 136445), (3335, 126094), (3886, 108215), (4705, 89378), (6670, 63047), (7705, 54578), (9410, 44689), (9715, 43286), (15410, 27289), (19430, 21643)]