2018450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:171

約数の個数: 48

約数和(自身を含む): 4404480

約数和(自身を除く): 2386030

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 73, 79, 146, 158, 175, 350, 365, 395, 511, 553, 730, 790, 1022, 1106, 1825, 1975, 2555, 2765, 3650, 3950, 5110, 5530, 5767, 11534, 12775, 13825, 25550, 27650, 28835, 40369, 57670, 80738, 144175, 201845, 288350, 403690, 1009225, 2018450]

約数ペア:

[(1, 2018450), (2, 1009225), (5, 403690), (7, 288350), (10, 201845), (14, 144175), (25, 80738), (35, 57670), (50, 40369), (70, 28835), (73, 27650), (79, 25550), (146, 13825), (158, 12775), (175, 11534), (350, 5767), (365, 5530), (395, 5110), (511, 3950), (553, 3650), (730, 2765), (790, 2555), (1022, 1975), (1106, 1825)]