144288580

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{787}}^1$

素因数の和:988

約数の個数: 48

約数和(自身を含む): 309778560

約数和(自身を除く): 165489980

約数列:

[1, 2, 4, 5, 10, 20, 89, 103, 178, 206, 356, 412, 445, 515, 787, 890, 1030, 1574, 1780, 2060, 3148, 3935, 7870, 9167, 15740, 18334, 36668, 45835, 70043, 81061, 91670, 140086, 162122, 183340, 280172, 324244, 350215, 405305, 700430, 810610, 1400860, 1621220, 7214429, 14428858, 28857716, 36072145, 72144290, 144288580]

約数ペア:

[(1, 144288580), (2, 72144290), (4, 36072145), (5, 28857716), (10, 14428858), (20, 7214429), (89, 1621220), (103, 1400860), (178, 810610), (206, 700430), (356, 405305), (412, 350215), (445, 324244), (515, 280172), (787, 183340), (890, 162122), (1030, 140086), (1574, 91670), (1780, 81061), (2060, 70043), (3148, 45835), (3935, 36668), (7870, 18334), (9167, 15740)]