164199140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61729}}^1$

素因数の和:61764

約数の個数: 48

約数和(自身を含む): 414825600

約数和(自身を除く): 250626460

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 61729, 123458, 246916, 308645, 432103, 617290, 864206, 1172851, 1234580, 1728412, 2160515, 2345702, 4321030, 4691404, 5864255, 8209957, 8642060, 11728510, 16419914, 23457020, 32839828, 41049785, 82099570, 164199140]

約数ペア:

[(1, 164199140), (2, 82099570), (4, 41049785), (5, 32839828), (7, 23457020), (10, 16419914), (14, 11728510), (19, 8642060), (20, 8209957), (28, 5864255), (35, 4691404), (38, 4321030), (70, 2345702), (76, 2160515), (95, 1728412), (133, 1234580), (140, 1172851), (190, 864206), (266, 617290), (380, 432103), (532, 308645), (665, 246916), (1330, 123458), (2660, 61729)]