30050980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{421}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 65507904

約数和(自身を除く): 35456924

約数列:

[1, 2, 4, 5, 10, 20, 43, 83, 86, 166, 172, 215, 332, 415, 421, 430, 830, 842, 860, 1660, 1684, 2105, 3569, 4210, 7138, 8420, 14276, 17845, 18103, 34943, 35690, 36206, 69886, 71380, 72412, 90515, 139772, 174715, 181030, 349430, 362060, 698860, 1502549, 3005098, 6010196, 7512745, 15025490, 30050980]

約数ペア:

[(1, 30050980), (2, 15025490), (4, 7512745), (5, 6010196), (10, 3005098), (20, 1502549), (43, 698860), (83, 362060), (86, 349430), (166, 181030), (172, 174715), (215, 139772), (332, 90515), (415, 72412), (421, 71380), (430, 69886), (830, 36206), (842, 35690), (860, 34943), (1660, 18103), (1684, 17845), (2105, 14276), (3569, 8420), (4210, 7138)]