42788375

素因数分解:

$5^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{619}}^1$

素因数の和:720

約数の個数: 32

約数和(自身を含む): 61900800

約数和(自身を除く): 19112425

約数列:

[1, 5, 7, 25, 35, 79, 125, 175, 395, 553, 619, 875, 1975, 2765, 3095, 4333, 9875, 13825, 15475, 21665, 48901, 69125, 77375, 108325, 244505, 342307, 541625, 1222525, 1711535, 6112625, 8557675, 42788375]

約数ペア:

[(1, 42788375), (5, 8557675), (7, 6112625), (25, 1711535), (35, 1222525), (79, 541625), (125, 342307), (175, 244505), (395, 108325), (553, 77375), (619, 69125), (875, 48901), (1975, 21665), (2765, 15475), (3095, 13825), (4333, 9875)]