11820100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^2\times {\mathrm{409}}^1$

素因数の和:457

約数の個数: 54

約数和(自身を含む): 27313790

約数和(自身を除く): 15493690

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 289, 340, 409, 425, 578, 818, 850, 1156, 1445, 1636, 1700, 2045, 2890, 4090, 5780, 6953, 7225, 8180, 10225, 13906, 14450, 20450, 27812, 28900, 34765, 40900, 69530, 118201, 139060, 173825, 236402, 347650, 472804, 591005, 695300, 1182010, 2364020, 2955025, 5910050, 11820100]

約数ペア:

[(1, 11820100), (2, 5910050), (4, 2955025), (5, 2364020), (10, 1182010), (17, 695300), (20, 591005), (25, 472804), (34, 347650), (50, 236402), (68, 173825), (85, 139060), (100, 118201), (170, 69530), (289, 40900), (340, 34765), (409, 28900), (425, 27812), (578, 20450), (818, 14450), (850, 13906), (1156, 10225), (1445, 8180), (1636, 7225), (1700, 6953), (2045, 5780), (2890, 4090)]