28198860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1787}}^1$

素因数の和:2062

約数の個数: 48

約数和(自身を含む): 79301376

約数和(自身を除く): 51102516

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 263, 526, 789, 1052, 1315, 1578, 1787, 2630, 3156, 3574, 3945, 5260, 5361, 7148, 7890, 8935, 10722, 15780, 17870, 21444, 26805, 35740, 53610, 107220, 469981, 939962, 1409943, 1879924, 2349905, 2819886, 4699810, 5639772, 7049715, 9399620, 14099430, 28198860]

約数ペア:

[(1, 28198860), (2, 14099430), (3, 9399620), (4, 7049715), (5, 5639772), (6, 4699810), (10, 2819886), (12, 2349905), (15, 1879924), (20, 1409943), (30, 939962), (60, 469981), (263, 107220), (526, 53610), (789, 35740), (1052, 26805), (1315, 21444), (1578, 17870), (1787, 15780), (2630, 10722), (3156, 8935), (3574, 7890), (3945, 7148), (5260, 5361)]