156744440

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{28603}}^1$

素因数の和:28751

約数の個数: 32

約数和(自身を含む): 355261680

約数和(自身を除く): 198517240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 28603, 57206, 114412, 143015, 228824, 286030, 572060, 1144120, 3918611, 7837222, 15674444, 19593055, 31348888, 39186110, 78372220, 156744440]

約数ペア:

[(1, 156744440), (2, 78372220), (4, 39186110), (5, 31348888), (8, 19593055), (10, 15674444), (20, 7837222), (40, 3918611), (137, 1144120), (274, 572060), (548, 286030), (685, 228824), (1096, 143015), (1370, 114412), (2740, 57206), (5480, 28603)]