213827710

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{27449}}^1$

素因数の和:27516

約数の個数: 32

約数和(自身を含む): 415044000

約数和(自身を除く): 201216290

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 410, 779, 1558, 3895, 7790, 27449, 54898, 137245, 274490, 521531, 1043062, 1125409, 2250818, 2607655, 5215310, 5627045, 11254090, 21382771, 42765542, 106913855, 213827710]

約数ペア:

[(1, 213827710), (2, 106913855), (5, 42765542), (10, 21382771), (19, 11254090), (38, 5627045), (41, 5215310), (82, 2607655), (95, 2250818), (190, 1125409), (205, 1043062), (410, 521531), (779, 274490), (1558, 137245), (3895, 54898), (7790, 27449)]