2149133380

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{12479}}^1$

素因数の和:12676

約数の個数: 48

約数和(自身を含む): 4612608000

約数和(自身を除く): 2463474620

約数列:

[1, 2, 4, 5, 10, 20, 79, 109, 158, 218, 316, 395, 436, 545, 790, 1090, 1580, 2180, 8611, 12479, 17222, 24958, 34444, 43055, 49916, 62395, 86110, 124790, 172220, 249580, 985841, 1360211, 1971682, 2720422, 3943364, 4929205, 5440844, 6801055, 9858410, 13602110, 19716820, 27204220, 107456669, 214913338, 429826676, 537283345, 1074566690, 2149133380]

約数ペア:

[(1, 2149133380), (2, 1074566690), (4, 537283345), (5, 429826676), (10, 214913338), (20, 107456669), (79, 27204220), (109, 19716820), (158, 13602110), (218, 9858410), (316, 6801055), (395, 5440844), (436, 4929205), (545, 3943364), (790, 2720422), (1090, 1971682), (1580, 1360211), (2180, 985841), (8611, 249580), (12479, 172220), (17222, 124790), (24958, 86110), (34444, 62395), (43055, 49916)]