4495540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 10910592

約数和(自身を除く): 6415052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 197, 326, 394, 652, 788, 815, 985, 1141, 1379, 1630, 1970, 2282, 2758, 3260, 3940, 4564, 5516, 5705, 6895, 11410, 13790, 22820, 27580, 32111, 64222, 128444, 160555, 224777, 321110, 449554, 642220, 899108, 1123885, 2247770, 4495540]

約数ペア:

[(1, 4495540), (2, 2247770), (4, 1123885), (5, 899108), (7, 642220), (10, 449554), (14, 321110), (20, 224777), (28, 160555), (35, 128444), (70, 64222), (140, 32111), (163, 27580), (197, 22820), (326, 13790), (394, 11410), (652, 6895), (788, 5705), (815, 5516), (985, 4564), (1141, 3940), (1379, 3260), (1630, 2758), (1970, 2282)]