1118180

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{163}}^1$

素因数の和:193

約数の個数: 48

約数和(自身を含む): 2755200

約数和(自身を除く): 1637020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 163, 196, 245, 326, 343, 490, 652, 686, 815, 980, 1141, 1372, 1630, 1715, 2282, 3260, 3430, 4564, 5705, 6860, 7987, 11410, 15974, 22820, 31948, 39935, 55909, 79870, 111818, 159740, 223636, 279545, 559090, 1118180]

約数ペア:

[(1, 1118180), (2, 559090), (4, 279545), (5, 223636), (7, 159740), (10, 111818), (14, 79870), (20, 55909), (28, 39935), (35, 31948), (49, 22820), (70, 15974), (98, 11410), (140, 7987), (163, 6860), (196, 5705), (245, 4564), (326, 3430), (343, 3260), (490, 2282), (652, 1715), (686, 1630), (815, 1372), (980, 1141)]