201905420

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{347}}^1\times {\mathrm{619}}^1$

素因数の和:1022

約数の個数: 48

約数和(自身を含む): 434972160

約数和(自身を除く): 233066740

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 347, 470, 619, 694, 940, 1238, 1388, 1735, 2476, 3095, 3470, 6190, 6940, 12380, 16309, 29093, 32618, 58186, 65236, 81545, 116372, 145465, 163090, 214793, 290930, 326180, 429586, 581860, 859172, 1073965, 2147930, 4295860, 10095271, 20190542, 40381084, 50476355, 100952710, 201905420]

約数ペア:

[(1, 201905420), (2, 100952710), (4, 50476355), (5, 40381084), (10, 20190542), (20, 10095271), (47, 4295860), (94, 2147930), (188, 1073965), (235, 859172), (347, 581860), (470, 429586), (619, 326180), (694, 290930), (940, 214793), (1238, 163090), (1388, 145465), (1735, 116372), (2476, 81545), (3095, 65236), (3470, 58186), (6190, 32618), (6940, 29093), (12380, 16309)]