2477900

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:434

約数の個数: 36

約数和(自身を含む): 5468400

約数和(自身を除く): 2990500

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 349, 355, 698, 710, 1396, 1420, 1745, 1775, 3490, 3550, 6980, 7100, 8725, 17450, 24779, 34900, 49558, 99116, 123895, 247790, 495580, 619475, 1238950, 2477900]

約数ペア:

[(1, 2477900), (2, 1238950), (4, 619475), (5, 495580), (10, 247790), (20, 123895), (25, 99116), (50, 49558), (71, 34900), (100, 24779), (142, 17450), (284, 8725), (349, 7100), (355, 6980), (698, 3550), (710, 3490), (1396, 1775), (1420, 1745)]