155804780

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{311}}^1\times {\mathrm{677}}^1$

素因数の和:1034

約数の個数: 48

約数和(自身を含む): 337611456

約数和(自身を除く): 181806676

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 311, 370, 622, 677, 740, 1244, 1354, 1555, 2708, 3110, 3385, 6220, 6770, 11507, 13540, 23014, 25049, 46028, 50098, 57535, 100196, 115070, 125245, 210547, 230140, 250490, 421094, 500980, 842188, 1052735, 2105470, 4210940, 7790239, 15580478, 31160956, 38951195, 77902390, 155804780]

約数ペア:

[(1, 155804780), (2, 77902390), (4, 38951195), (5, 31160956), (10, 15580478), (20, 7790239), (37, 4210940), (74, 2105470), (148, 1052735), (185, 842188), (311, 500980), (370, 421094), (622, 250490), (677, 230140), (740, 210547), (1244, 125245), (1354, 115070), (1555, 100196), (2708, 57535), (3110, 50098), (3385, 46028), (6220, 25049), (6770, 23014), (11507, 13540)]