208393480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{7127}}^1$

素因数の和:7198

約数の個数: 64

約数和(自身を含む): 508083840

約数和(自身を除く): 299690360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 43, 68, 85, 86, 136, 170, 172, 215, 340, 344, 430, 680, 731, 860, 1462, 1720, 2924, 3655, 5848, 7127, 7310, 14254, 14620, 28508, 29240, 35635, 57016, 71270, 121159, 142540, 242318, 285080, 306461, 484636, 605795, 612922, 969272, 1211590, 1225844, 1532305, 2423180, 2451688, 3064610, 4846360, 5209837, 6129220, 10419674, 12258440, 20839348, 26049185, 41678696, 52098370, 104196740, 208393480]

約数ペア:

[(1, 208393480), (2, 104196740), (4, 52098370), (5, 41678696), (8, 26049185), (10, 20839348), (17, 12258440), (20, 10419674), (34, 6129220), (40, 5209837), (43, 4846360), (68, 3064610), (85, 2451688), (86, 2423180), (136, 1532305), (170, 1225844), (172, 1211590), (215, 969272), (340, 612922), (344, 605795), (430, 484636), (680, 306461), (731, 285080), (860, 242318), (1462, 142540), (1720, 121159), (2924, 71270), (3655, 57016), (5848, 35635), (7127, 29240), (7310, 28508), (14254, 14620)]