394844840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^3\times {\mathrm{4493}}^1$

素因数の和:4543

約数の個数: 64

約数和(自身を含む): 962614800

約数和(自身を除く): 567769960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 2197, 3380, 4394, 4493, 6760, 8788, 8986, 10985, 17576, 17972, 21970, 22465, 35944, 43940, 44930, 58409, 87880, 89860, 116818, 179720, 233636, 292045, 467272, 584090, 759317, 1168180, 1518634, 2336360, 3037268, 3796585, 6074536, 7593170, 9871121, 15186340, 19742242, 30372680, 39484484, 49355605, 78968968, 98711210, 197422420, 394844840]

約数ペア:

[(1, 394844840), (2, 197422420), (4, 98711210), (5, 78968968), (8, 49355605), (10, 39484484), (13, 30372680), (20, 19742242), (26, 15186340), (40, 9871121), (52, 7593170), (65, 6074536), (104, 3796585), (130, 3037268), (169, 2336360), (260, 1518634), (338, 1168180), (520, 759317), (676, 584090), (845, 467272), (1352, 292045), (1690, 233636), (2197, 179720), (3380, 116818), (4394, 89860), (4493, 87880), (6760, 58409), (8788, 44930), (8986, 43940), (10985, 35944), (17576, 22465), (17972, 21970)]