381752930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{7549}}^1$

素因数の和:7958

約数の個数: 32

約数和(自身を含む): 742014000

約数和(自身を除く): 360261070

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 389, 778, 1945, 3890, 5057, 7549, 10114, 15098, 25285, 37745, 50570, 75490, 98137, 196274, 490685, 981370, 2936561, 5873122, 14682805, 29365610, 38175293, 76350586, 190876465, 381752930]

約数ペア:

[(1, 381752930), (2, 190876465), (5, 76350586), (10, 38175293), (13, 29365610), (26, 14682805), (65, 5873122), (130, 2936561), (389, 981370), (778, 490685), (1945, 196274), (3890, 98137), (5057, 75490), (7549, 50570), (10114, 37745), (15098, 25285)]