7249220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{397}}^1$

素因数の和:500

約数の個数: 48

約数和(自身を含む): 16849728

約数和(自身を除く): 9600508

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 83, 110, 166, 220, 332, 397, 415, 794, 830, 913, 1588, 1660, 1826, 1985, 3652, 3970, 4367, 4565, 7940, 8734, 9130, 17468, 18260, 21835, 32951, 43670, 65902, 87340, 131804, 164755, 329510, 362461, 659020, 724922, 1449844, 1812305, 3624610, 7249220]

約数ペア:

[(1, 7249220), (2, 3624610), (4, 1812305), (5, 1449844), (10, 724922), (11, 659020), (20, 362461), (22, 329510), (44, 164755), (55, 131804), (83, 87340), (110, 65902), (166, 43670), (220, 32951), (332, 21835), (397, 18260), (415, 17468), (794, 9130), (830, 8734), (913, 7940), (1588, 4565), (1660, 4367), (1826, 3970), (1985, 3652)]