90014380

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1\times {\mathrm{263}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 192709440

約数和(自身を除く): 102695060

約数列:

[1, 2, 4, 5, 10, 20, 109, 157, 218, 263, 314, 436, 526, 545, 628, 785, 1052, 1090, 1315, 1570, 2180, 2630, 3140, 5260, 17113, 28667, 34226, 41291, 57334, 68452, 82582, 85565, 114668, 143335, 165164, 171130, 206455, 286670, 342260, 412910, 573340, 825820, 4500719, 9001438, 18002876, 22503595, 45007190, 90014380]

約数ペア:

[(1, 90014380), (2, 45007190), (4, 22503595), (5, 18002876), (10, 9001438), (20, 4500719), (109, 825820), (157, 573340), (218, 412910), (263, 342260), (314, 286670), (436, 206455), (526, 171130), (545, 165164), (628, 143335), (785, 114668), (1052, 85565), (1090, 82582), (1315, 68452), (1570, 57334), (2180, 41291), (2630, 34226), (3140, 28667), (5260, 17113)]