306089480

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1\times {\mathrm{709}}^1$

素因数の和:1014

約数の個数: 64

約数和(自身を含む): 708523200

約数和(自身を除く): 402433720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 251, 344, 430, 502, 709, 860, 1004, 1255, 1418, 1720, 2008, 2510, 2836, 3545, 5020, 5672, 7090, 10040, 10793, 14180, 21586, 28360, 30487, 43172, 53965, 60974, 86344, 107930, 121948, 152435, 177959, 215860, 243896, 304870, 355918, 431720, 609740, 711836, 889795, 1219480, 1423672, 1779590, 3559180, 7118360, 7652237, 15304474, 30608948, 38261185, 61217896, 76522370, 153044740, 306089480]

約数ペア:

[(1, 306089480), (2, 153044740), (4, 76522370), (5, 61217896), (8, 38261185), (10, 30608948), (20, 15304474), (40, 7652237), (43, 7118360), (86, 3559180), (172, 1779590), (215, 1423672), (251, 1219480), (344, 889795), (430, 711836), (502, 609740), (709, 431720), (860, 355918), (1004, 304870), (1255, 243896), (1418, 215860), (1720, 177959), (2008, 152435), (2510, 121948), (2836, 107930), (3545, 86344), (5020, 60974), (5672, 53965), (7090, 43172), (10040, 30487), (10793, 28360), (14180, 21586)]