290465620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{7993}}^1$

素因数の和:8104

約数の個数: 48

約数和(自身を含む): 644636160

約数和(自身を除く): 354170540

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 79, 92, 115, 158, 230, 316, 395, 460, 790, 1580, 1817, 3634, 7268, 7993, 9085, 15986, 18170, 31972, 36340, 39965, 79930, 159860, 183839, 367678, 631447, 735356, 919195, 1262894, 1838390, 2525788, 3157235, 3676780, 6314470, 12628940, 14523281, 29046562, 58093124, 72616405, 145232810, 290465620]

約数ペア:

[(1, 290465620), (2, 145232810), (4, 72616405), (5, 58093124), (10, 29046562), (20, 14523281), (23, 12628940), (46, 6314470), (79, 3676780), (92, 3157235), (115, 2525788), (158, 1838390), (230, 1262894), (316, 919195), (395, 735356), (460, 631447), (790, 367678), (1580, 183839), (1817, 159860), (3634, 79930), (7268, 39965), (7993, 36340), (9085, 31972), (15986, 18170)]