319480

素因数分解:

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

素因数の和:188

約数の個数: 48

約数和(自身を含む): 841320

約数和(自身を除く): 521840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 163, 196, 245, 280, 326, 392, 490, 652, 815, 980, 1141, 1304, 1630, 1960, 2282, 3260, 4564, 5705, 6520, 7987, 9128, 11410, 15974, 22820, 31948, 39935, 45640, 63896, 79870, 159740, 319480]

約数ペア:

[(1, 319480), (2, 159740), (4, 79870), (5, 63896), (7, 45640), (8, 39935), (10, 31948), (14, 22820), (20, 15974), (28, 11410), (35, 9128), (40, 7987), (49, 6520), (56, 5705), (70, 4564), (98, 3260), (140, 2282), (163, 1960), (196, 1630), (245, 1304), (280, 1141), (326, 980), (392, 815), (490, 652)]