491056380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{13709}}^1$

素因数の和:13923

約数の個数: 72

約数和(自身を含む): 1497132000

約数和(自身を除く): 1006075620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 199, 398, 597, 796, 995, 1194, 1791, 1990, 2388, 2985, 3582, 3980, 5970, 7164, 8955, 11940, 13709, 17910, 27418, 35820, 41127, 54836, 68545, 82254, 123381, 137090, 164508, 205635, 246762, 274180, 411270, 493524, 616905, 822540, 1233810, 2467620, 2728091, 5456182, 8184273, 10912364, 13640455, 16368546, 24552819, 27280910, 32737092, 40921365, 49105638, 54561820, 81842730, 98211276, 122764095, 163685460, 245528190, 491056380]

約数ペア:

[(1, 491056380), (2, 245528190), (3, 163685460), (4, 122764095), (5, 98211276), (6, 81842730), (9, 54561820), (10, 49105638), (12, 40921365), (15, 32737092), (18, 27280910), (20, 24552819), (30, 16368546), (36, 13640455), (45, 10912364), (60, 8184273), (90, 5456182), (180, 2728091), (199, 2467620), (398, 1233810), (597, 822540), (796, 616905), (995, 493524), (1194, 411270), (1791, 274180), (1990, 246762), (2388, 205635), (2985, 164508), (3582, 137090), (3980, 123381), (5970, 82254), (7164, 68545), (8955, 54836), (11940, 41127), (13709, 35820), (17910, 27418)]