144836420

素因数分解:

$2^2\times 5^1\times {\mathrm{1801}}^1\times {\mathrm{4021}}^1$

素因数の和:5831

約数の個数: 24

約数和(自身を含む): 304401048

約数和(自身を除く): 159564628

約数列:

[1, 2, 4, 5, 10, 20, 1801, 3602, 4021, 7204, 8042, 9005, 16084, 18010, 20105, 36020, 40210, 80420, 7241821, 14483642, 28967284, 36209105, 72418210, 144836420]

約数ペア:

[(1, 144836420), (2, 72418210), (4, 36209105), (5, 28967284), (10, 14483642), (20, 7241821), (1801, 80420), (3602, 40210), (4021, 36020), (7204, 20105), (8042, 18010), (9005, 16084)]