397352020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{25903}}^1$

素因数の和:25984

約数の個数: 48

約数和(自身を含む): 913893120

約数和(自身を除く): 516541100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 118, 130, 236, 260, 295, 590, 767, 1180, 1534, 3068, 3835, 7670, 15340, 25903, 51806, 103612, 129515, 259030, 336739, 518060, 673478, 1346956, 1528277, 1683695, 3056554, 3367390, 6113108, 6734780, 7641385, 15282770, 19867601, 30565540, 39735202, 79470404, 99338005, 198676010, 397352020]

約数ペア:

[(1, 397352020), (2, 198676010), (4, 99338005), (5, 79470404), (10, 39735202), (13, 30565540), (20, 19867601), (26, 15282770), (52, 7641385), (59, 6734780), (65, 6113108), (118, 3367390), (130, 3056554), (236, 1683695), (260, 1528277), (295, 1346956), (590, 673478), (767, 518060), (1180, 336739), (1534, 259030), (3068, 129515), (3835, 103612), (7670, 51806), (15340, 25903)]