128830180

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{1471}}^1$

素因数の和:1660

約数の個数: 48

約数和(自身を含む): 281917440

約数和(自身を除く): 153087260

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 151, 290, 302, 580, 604, 755, 1471, 1510, 2942, 3020, 4379, 5884, 7355, 8758, 14710, 17516, 21895, 29420, 42659, 43790, 85318, 87580, 170636, 213295, 222121, 426590, 444242, 853180, 888484, 1110605, 2221210, 4442420, 6441509, 12883018, 25766036, 32207545, 64415090, 128830180]

約数ペア:

[(1, 128830180), (2, 64415090), (4, 32207545), (5, 25766036), (10, 12883018), (20, 6441509), (29, 4442420), (58, 2221210), (116, 1110605), (145, 888484), (151, 853180), (290, 444242), (302, 426590), (580, 222121), (604, 213295), (755, 170636), (1471, 87580), (1510, 85318), (2942, 43790), (3020, 42659), (4379, 29420), (5884, 21895), (7355, 17516), (8758, 14710)]