144420440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{212383}}^1$

素因数の和:212411

約数の個数: 32

約数和(自身を含む): 344062080

約数和(自身を除く): 199641640

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 212383, 424766, 849532, 1061915, 1699064, 2123830, 3610511, 4247660, 7221022, 8495320, 14442044, 18052555, 28884088, 36105110, 72210220, 144420440]

約数ペア:

[(1, 144420440), (2, 72210220), (4, 36105110), (5, 28884088), (8, 18052555), (10, 14442044), (17, 8495320), (20, 7221022), (34, 4247660), (40, 3610511), (68, 2123830), (85, 1699064), (136, 1061915), (170, 849532), (340, 424766), (680, 212383)]