163902740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{2383}}^1$

素因数の和:2592

約数の個数: 48

約数和(自身を含む): 364465920

約数和(自身を除く): 200563180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 181, 190, 362, 380, 724, 905, 1810, 2383, 3439, 3620, 4766, 6878, 9532, 11915, 13756, 17195, 23830, 34390, 45277, 47660, 68780, 90554, 181108, 226385, 431323, 452770, 862646, 905540, 1725292, 2156615, 4313230, 8195137, 8626460, 16390274, 32780548, 40975685, 81951370, 163902740]

約数ペア:

[(1, 163902740), (2, 81951370), (4, 40975685), (5, 32780548), (10, 16390274), (19, 8626460), (20, 8195137), (38, 4313230), (76, 2156615), (95, 1725292), (181, 905540), (190, 862646), (362, 452770), (380, 431323), (724, 226385), (905, 181108), (1810, 90554), (2383, 68780), (3439, 47660), (3620, 45277), (4766, 34390), (6878, 23830), (9532, 17195), (11915, 13756)]