68572820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{619}}^1$

素因数の和:848

約数の個数: 48

約数和(自身を含む): 149990400

約数和(自身を除く): 81417580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 191, 290, 382, 580, 619, 764, 955, 1238, 1910, 2476, 3095, 3820, 5539, 6190, 11078, 12380, 17951, 22156, 27695, 35902, 55390, 71804, 89755, 110780, 118229, 179510, 236458, 359020, 472916, 591145, 1182290, 2364580, 3428641, 6857282, 13714564, 17143205, 34286410, 68572820]

約数ペア:

[(1, 68572820), (2, 34286410), (4, 17143205), (5, 13714564), (10, 6857282), (20, 3428641), (29, 2364580), (58, 1182290), (116, 591145), (145, 472916), (191, 359020), (290, 236458), (382, 179510), (580, 118229), (619, 110780), (764, 89755), (955, 71804), (1238, 55390), (1910, 35902), (2476, 27695), (3095, 22156), (3820, 17951), (5539, 12380), (6190, 11078)]