631686340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{43207}}^1$

素因数の和:43276

約数の個数: 48

約数和(自身を含む): 1437270912

約数和(自身を除く): 805584572

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 731, 860, 1462, 2924, 3655, 7310, 14620, 43207, 86414, 172828, 216035, 432070, 734519, 864140, 1469038, 1857901, 2938076, 3672595, 3715802, 7345190, 7431604, 9289505, 14690380, 18579010, 31584317, 37158020, 63168634, 126337268, 157921585, 315843170, 631686340]

約数ペア:

[(1, 631686340), (2, 315843170), (4, 157921585), (5, 126337268), (10, 63168634), (17, 37158020), (20, 31584317), (34, 18579010), (43, 14690380), (68, 9289505), (85, 7431604), (86, 7345190), (170, 3715802), (172, 3672595), (215, 2938076), (340, 1857901), (430, 1469038), (731, 864140), (860, 734519), (1462, 432070), (2924, 216035), (3655, 172828), (7310, 86414), (14620, 43207)]