195439180

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{2423}}^1$

素因数の和:2578

約数の個数: 48

約数和(自身を含む): 425557440

約数和(自身を除く): 230118260

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 109, 148, 185, 218, 370, 436, 545, 740, 1090, 2180, 2423, 4033, 4846, 8066, 9692, 12115, 16132, 20165, 24230, 40330, 48460, 80660, 89651, 179302, 264107, 358604, 448255, 528214, 896510, 1056428, 1320535, 1793020, 2641070, 5282140, 9771959, 19543918, 39087836, 48859795, 97719590, 195439180]

約数ペア:

[(1, 195439180), (2, 97719590), (4, 48859795), (5, 39087836), (10, 19543918), (20, 9771959), (37, 5282140), (74, 2641070), (109, 1793020), (148, 1320535), (185, 1056428), (218, 896510), (370, 528214), (436, 448255), (545, 358604), (740, 264107), (1090, 179302), (2180, 89651), (2423, 80660), (4033, 48460), (4846, 40330), (8066, 24230), (9692, 20165), (12115, 16132)]