409834100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{315257}}^1$

素因数の和:315284

約数の個数: 36

約数和(自身を含む): 957753804

約数和(自身を除く): 547919704

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 315257, 630514, 1261028, 1576285, 3152570, 4098341, 6305140, 7881425, 8196682, 15762850, 16393364, 20491705, 31525700, 40983410, 81966820, 102458525, 204917050, 409834100]

約数ペア:

[(1, 409834100), (2, 204917050), (4, 102458525), (5, 81966820), (10, 40983410), (13, 31525700), (20, 20491705), (25, 16393364), (26, 15762850), (50, 8196682), (52, 7881425), (65, 6305140), (100, 4098341), (130, 3152570), (260, 1576285), (325, 1261028), (650, 630514), (1300, 315257)]