90345820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{467}}^1\times {\mathrm{569}}^1$

素因数の和:1062

約数の個数: 48

約数和(自身を含む): 201670560

約数和(自身を除く): 111324740

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 467, 569, 934, 1138, 1868, 2276, 2335, 2845, 4670, 5690, 7939, 9340, 9673, 11380, 15878, 19346, 31756, 38692, 39695, 48365, 79390, 96730, 158780, 193460, 265723, 531446, 1062892, 1328615, 2657230, 4517291, 5314460, 9034582, 18069164, 22586455, 45172910, 90345820]

約数ペア:

[(1, 90345820), (2, 45172910), (4, 22586455), (5, 18069164), (10, 9034582), (17, 5314460), (20, 4517291), (34, 2657230), (68, 1328615), (85, 1062892), (170, 531446), (340, 265723), (467, 193460), (569, 158780), (934, 96730), (1138, 79390), (1868, 48365), (2276, 39695), (2335, 38692), (2845, 31756), (4670, 19346), (5690, 15878), (7939, 11380), (9340, 9673)]