73992820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{3779}}^1$

素因数の和:3888

約数の個数: 48

約数和(自身を含む): 171460800

約数和(自身を除く): 97467980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 890, 979, 1780, 1958, 3779, 3916, 4895, 7558, 9790, 15116, 18895, 19580, 37790, 41569, 75580, 83138, 166276, 207845, 336331, 415690, 672662, 831380, 1345324, 1681655, 3363310, 3699641, 6726620, 7399282, 14798564, 18498205, 36996410, 73992820]

約数ペア:

[(1, 73992820), (2, 36996410), (4, 18498205), (5, 14798564), (10, 7399282), (11, 6726620), (20, 3699641), (22, 3363310), (44, 1681655), (55, 1345324), (89, 831380), (110, 672662), (178, 415690), (220, 336331), (356, 207845), (445, 166276), (890, 83138), (979, 75580), (1780, 41569), (1958, 37790), (3779, 19580), (3916, 18895), (4895, 15116), (7558, 9790)]