251566340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{17207}}^1$

素因数の和:17276

約数の個数: 48

約数和(自身を含む): 572406912

約数和(自身を除く): 320840572

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, 17207, 34414, 68828, 86035, 172070, 292519, 344140, 585038, 739901, 1170076, 1462595, 1479802, 2925190, 2959604, 3699505, 5850380, 7399010, 12578317, 14798020, 25156634, 50313268, 62891585, 125783170, 251566340]

約数ペア:

[(1, 251566340), (2, 125783170), (4, 62891585), (5, 50313268), (10, 25156634), (17, 14798020), (20, 12578317), (34, 7399010), (43, 5850380), (68, 3699505), (85, 2959604), (86, 2925190), (170, 1479802), (172, 1462595), (215, 1170076), (340, 739901), (430, 585038), (731, 344140), (860, 292519), (1462, 172070), (2924, 86035), (3655, 68828), (7310, 34414), (14620, 17207)]