201225700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{154789}}^1$

素因数の和:154816

約数の個数: 36

約数和(自身を含む): 470252020

約数和(自身を除く): 269026320

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 154789, 309578, 619156, 773945, 1547890, 2012257, 3095780, 3869725, 4024514, 7739450, 8049028, 10061285, 15478900, 20122570, 40245140, 50306425, 100612850, 201225700]

約数ペア:

[(1, 201225700), (2, 100612850), (4, 50306425), (5, 40245140), (10, 20122570), (13, 15478900), (20, 10061285), (25, 8049028), (26, 7739450), (50, 4024514), (52, 3869725), (65, 3095780), (100, 2012257), (130, 1547890), (260, 773945), (325, 619156), (650, 309578), (1300, 154789)]