404094875

素因数分解:

$5^3\times {\mathrm{79}}^1\times {\mathrm{151}}^1\times {\mathrm{271}}^1$

素因数の和:516

約数の個数: 32

約数和(自身を含む): 515973120

約数和(自身を除く): 111878245

約数列:

[1, 5, 25, 79, 125, 151, 271, 395, 755, 1355, 1975, 3775, 6775, 9875, 11929, 18875, 21409, 33875, 40921, 59645, 107045, 204605, 298225, 535225, 1023025, 1491125, 2676125, 3232759, 5115125, 16163795, 80818975, 404094875]

約数ペア:

[(1, 404094875), (5, 80818975), (25, 16163795), (79, 5115125), (125, 3232759), (151, 2676125), (271, 1491125), (395, 1023025), (755, 535225), (1355, 298225), (1975, 204605), (3775, 107045), (6775, 59645), (9875, 40921), (11929, 33875), (18875, 21409)]