28356860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{202549}}^1$

素因数の和:202565

約数の個数: 24

約数和(自身を含む): 68056800

約数和(自身を除く): 39699940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 202549, 405098, 810196, 1012745, 1417843, 2025490, 2835686, 4050980, 5671372, 7089215, 14178430, 28356860]

約数ペア:

[(1, 28356860), (2, 14178430), (4, 7089215), (5, 5671372), (7, 4050980), (10, 2835686), (14, 2025490), (20, 1417843), (28, 1012745), (35, 810196), (70, 405098), (140, 202549)]