28622500

素因数分解:

$2^2\times 5^4\times {\mathrm{107}}^2$

素因数の和:238

約数の個数: 45

約数和(自身を含む): 63182119

約数和(自身を除く): 34559619

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 107, 125, 214, 250, 428, 500, 535, 625, 1070, 1250, 2140, 2500, 2675, 5350, 10700, 11449, 13375, 22898, 26750, 45796, 53500, 57245, 66875, 114490, 133750, 228980, 267500, 286225, 572450, 1144900, 1431125, 2862250, 5724500, 7155625, 14311250, 28622500]

約数ペア:

[(1, 28622500), (2, 14311250), (4, 7155625), (5, 5724500), (10, 2862250), (20, 1431125), (25, 1144900), (50, 572450), (100, 286225), (107, 267500), (125, 228980), (214, 133750), (250, 114490), (428, 66875), (500, 57245), (535, 53500), (625, 45796), (1070, 26750), (1250, 22898), (2140, 13375), (2500, 11449), (2675, 10700)]