28216900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{14851}}^1$

素因数の和:14884

約数の個数: 36

約数和(自身を含む): 64457680

約数和(自身を除く): 36240780

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 14851, 29702, 59404, 74255, 148510, 282169, 297020, 371275, 564338, 742550, 1128676, 1410845, 1485100, 2821690, 5643380, 7054225, 14108450, 28216900]

約数ペア:

[(1, 28216900), (2, 14108450), (4, 7054225), (5, 5643380), (10, 2821690), (19, 1485100), (20, 1410845), (25, 1128676), (38, 742550), (50, 564338), (76, 371275), (95, 297020), (100, 282169), (190, 148510), (380, 74255), (475, 59404), (950, 29702), (1900, 14851)]