981260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 2424576

約数和(自身を除く): 1443316

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 163, 172, 215, 301, 326, 430, 602, 652, 815, 860, 1141, 1204, 1505, 1630, 2282, 3010, 3260, 4564, 5705, 6020, 7009, 11410, 14018, 22820, 28036, 35045, 49063, 70090, 98126, 140180, 196252, 245315, 490630, 981260]

約数ペア:

[(1, 981260), (2, 490630), (4, 245315), (5, 196252), (7, 140180), (10, 98126), (14, 70090), (20, 49063), (28, 35045), (35, 28036), (43, 22820), (70, 14018), (86, 11410), (140, 7009), (163, 6020), (172, 5705), (215, 4564), (301, 3260), (326, 3010), (430, 2282), (602, 1630), (652, 1505), (815, 1204), (860, 1141)]