207325880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{509}}^1\times {\mathrm{599}}^1$

素因数の和:1136

約数の個数: 64

約数和(自身を含む): 495720000

約数和(自身を除く): 288394120

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 509, 599, 680, 1018, 1198, 2036, 2396, 2545, 2995, 4072, 4792, 5090, 5990, 8653, 10180, 10183, 11980, 17306, 20360, 20366, 23960, 34612, 40732, 43265, 50915, 69224, 81464, 86530, 101830, 173060, 203660, 304891, 346120, 407320, 609782, 1219564, 1524455, 2439128, 3048910, 5183147, 6097820, 10366294, 12195640, 20732588, 25915735, 41465176, 51831470, 103662940, 207325880]

約数ペア:

[(1, 207325880), (2, 103662940), (4, 51831470), (5, 41465176), (8, 25915735), (10, 20732588), (17, 12195640), (20, 10366294), (34, 6097820), (40, 5183147), (68, 3048910), (85, 2439128), (136, 1524455), (170, 1219564), (340, 609782), (509, 407320), (599, 346120), (680, 304891), (1018, 203660), (1198, 173060), (2036, 101830), (2396, 86530), (2545, 81464), (2995, 69224), (4072, 50915), (4792, 43265), (5090, 40732), (5990, 34612), (8653, 23960), (10180, 20366), (10183, 20360), (11980, 17306)]