389615180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{30971}}^1$

素因数の和:31034

約数の個数: 48

約数和(自身を含む): 889763616

約数和(自身を除く): 500148436

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 148, 170, 185, 340, 370, 629, 740, 1258, 2516, 3145, 6290, 12580, 30971, 61942, 123884, 154855, 309710, 526507, 619420, 1053014, 1145927, 2106028, 2291854, 2632535, 4583708, 5265070, 5729635, 10530140, 11459270, 19480759, 22918540, 38961518, 77923036, 97403795, 194807590, 389615180]

約数ペア:

[(1, 389615180), (2, 194807590), (4, 97403795), (5, 77923036), (10, 38961518), (17, 22918540), (20, 19480759), (34, 11459270), (37, 10530140), (68, 5729635), (74, 5265070), (85, 4583708), (148, 2632535), (170, 2291854), (185, 2106028), (340, 1145927), (370, 1053014), (629, 619420), (740, 526507), (1258, 309710), (2516, 154855), (3145, 123884), (6290, 61942), (12580, 30971)]