284282020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{14519}}^1$

素因数の和:14628

約数の個数: 48

約数和(自身を含む): 658627200

約数和(自身を除く): 374345180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 890, 979, 1780, 1958, 3916, 4895, 9790, 14519, 19580, 29038, 58076, 72595, 145190, 159709, 290380, 319418, 638836, 798545, 1292191, 1597090, 2584382, 3194180, 5168764, 6460955, 12921910, 14214101, 25843820, 28428202, 56856404, 71070505, 142141010, 284282020]

約数ペア:

[(1, 284282020), (2, 142141010), (4, 71070505), (5, 56856404), (10, 28428202), (11, 25843820), (20, 14214101), (22, 12921910), (44, 6460955), (55, 5168764), (89, 3194180), (110, 2584382), (178, 1597090), (220, 1292191), (356, 798545), (445, 638836), (890, 319418), (979, 290380), (1780, 159709), (1958, 145190), (3916, 72595), (4895, 58076), (9790, 29038), (14519, 19580)]