2912177620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{33343}}^1$

素因数の和:33760

約数の個数: 48

約数和(自身を含む): 6688539648

約数和(自身を除く): 3776362028

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 397, 794, 1588, 1985, 3970, 4367, 7940, 8734, 17468, 21835, 33343, 43670, 66686, 87340, 133372, 166715, 333430, 366773, 666860, 733546, 1467092, 1833865, 3667730, 7335460, 13237171, 26474342, 52948684, 66185855, 132371710, 145608881, 264743420, 291217762, 582435524, 728044405, 1456088810, 2912177620]

約数ペア:

[(1, 2912177620), (2, 1456088810), (4, 728044405), (5, 582435524), (10, 291217762), (11, 264743420), (20, 145608881), (22, 132371710), (44, 66185855), (55, 52948684), (110, 26474342), (220, 13237171), (397, 7335460), (794, 3667730), (1588, 1833865), (1985, 1467092), (3970, 733546), (4367, 666860), (7940, 366773), (8734, 333430), (17468, 166715), (21835, 133372), (33343, 87340), (43670, 66686)]