290055892

素因数分解:

$2^2\times 7^3\times {\mathrm{163}}^1\times {\mathrm{1297}}^1$

素因数の和:1485

約数の個数: 48

約数和(自身を含む): 596041600

約数和(自身を除く): 305985708

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 163, 196, 326, 343, 652, 686, 1141, 1297, 1372, 2282, 2594, 4564, 5188, 7987, 9079, 15974, 18158, 31948, 36316, 55909, 63553, 111818, 127106, 211411, 223636, 254212, 422822, 444871, 845644, 889742, 1479877, 1779484, 2959754, 5919508, 10359139, 20718278, 41436556, 72513973, 145027946, 290055892]

約数ペア:

[(1, 290055892), (2, 145027946), (4, 72513973), (7, 41436556), (14, 20718278), (28, 10359139), (49, 5919508), (98, 2959754), (163, 1779484), (196, 1479877), (326, 889742), (343, 845644), (652, 444871), (686, 422822), (1141, 254212), (1297, 223636), (1372, 211411), (2282, 127106), (2594, 111818), (4564, 63553), (5188, 55909), (7987, 36316), (9079, 31948), (15974, 18158)]