29214680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{991}}^1$

素因数の和:1080

約数の個数: 64

約数和(自身を含む): 72852480

約数和(自身を除く): 43637800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 67, 88, 110, 134, 220, 268, 335, 440, 536, 670, 737, 991, 1340, 1474, 1982, 2680, 2948, 3685, 3964, 4955, 5896, 7370, 7928, 9910, 10901, 14740, 19820, 21802, 29480, 39640, 43604, 54505, 66397, 87208, 109010, 132794, 218020, 265588, 331985, 436040, 531176, 663970, 730367, 1327940, 1460734, 2655880, 2921468, 3651835, 5842936, 7303670, 14607340, 29214680]

約数ペア:

[(1, 29214680), (2, 14607340), (4, 7303670), (5, 5842936), (8, 3651835), (10, 2921468), (11, 2655880), (20, 1460734), (22, 1327940), (40, 730367), (44, 663970), (55, 531176), (67, 436040), (88, 331985), (110, 265588), (134, 218020), (220, 132794), (268, 109010), (335, 87208), (440, 66397), (536, 54505), (670, 43604), (737, 39640), (991, 29480), (1340, 21802), (1474, 19820), (1982, 14740), (2680, 10901), (2948, 9910), (3685, 7928), (3964, 7370), (4955, 5896)]