200905900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{154543}}^1$

素因数の和:154570

約数の個数: 36

約数和(自身を含む): 469504672

約数和(自身を除く): 268598772

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 154543, 309086, 618172, 772715, 1545430, 2009059, 3090860, 3863575, 4018118, 7727150, 8036236, 10045295, 15454300, 20090590, 40181180, 50226475, 100452950, 200905900]

約数ペア:

[(1, 200905900), (2, 100452950), (4, 50226475), (5, 40181180), (10, 20090590), (13, 15454300), (20, 10045295), (25, 8036236), (26, 7727150), (50, 4018118), (52, 3863575), (65, 3090860), (100, 2009059), (130, 1545430), (260, 772715), (325, 618172), (650, 309086), (1300, 154543)]