30882940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{613}}^1$

素因数の和:862

約数の個数: 48

約数和(自身を含む): 71174880

約数和(自身を除く): 40291940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 229, 458, 613, 916, 1145, 1226, 2290, 2452, 2519, 3065, 4580, 5038, 6130, 6743, 10076, 12260, 12595, 13486, 25190, 26972, 33715, 50380, 67430, 134860, 140377, 280754, 561508, 701885, 1403770, 1544147, 2807540, 3088294, 6176588, 7720735, 15441470, 30882940]

約数ペア:

[(1, 30882940), (2, 15441470), (4, 7720735), (5, 6176588), (10, 3088294), (11, 2807540), (20, 1544147), (22, 1403770), (44, 701885), (55, 561508), (110, 280754), (220, 140377), (229, 134860), (458, 67430), (613, 50380), (916, 33715), (1145, 26972), (1226, 25190), (2290, 13486), (2452, 12595), (2519, 12260), (3065, 10076), (4580, 6743), (5038, 6130)]