388626920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{3121}}^1$

素因数の和:3426

約数の個数: 64

約数和(自身を含む): 957579840

約数和(自身を除く): 568952920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 283, 440, 566, 1132, 1415, 2264, 2830, 3113, 3121, 5660, 6226, 6242, 11320, 12452, 12484, 15565, 15605, 24904, 24968, 31130, 31210, 34331, 62260, 62420, 68662, 124520, 124840, 137324, 171655, 274648, 343310, 686620, 883243, 1373240, 1766486, 3532972, 4416215, 7065944, 8832430, 9715673, 17664860, 19431346, 35329720, 38862692, 48578365, 77725384, 97156730, 194313460, 388626920]

約数ペア:

[(1, 388626920), (2, 194313460), (4, 97156730), (5, 77725384), (8, 48578365), (10, 38862692), (11, 35329720), (20, 19431346), (22, 17664860), (40, 9715673), (44, 8832430), (55, 7065944), (88, 4416215), (110, 3532972), (220, 1766486), (283, 1373240), (440, 883243), (566, 686620), (1132, 343310), (1415, 274648), (2264, 171655), (2830, 137324), (3113, 124840), (3121, 124520), (5660, 68662), (6226, 62420), (6242, 62260), (11320, 34331), (12452, 31210), (12484, 31130), (15565, 24968), (15605, 24904)]