518959220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^3\times {\mathrm{67}}^1$

素因数の和:182

約数の個数: 96

約数和(自身を含む): 1230867456

約数和(自身を除く): 711908236

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 67, 124, 130, 134, 155, 260, 268, 310, 335, 403, 620, 670, 806, 871, 961, 1340, 1612, 1742, 1922, 2015, 2077, 3484, 3844, 4030, 4154, 4355, 4805, 8060, 8308, 8710, 9610, 10385, 12493, 17420, 19220, 20770, 24986, 27001, 29791, 41540, 49972, 54002, 59582, 62465, 64387, 108004, 119164, 124930, 128774, 135005, 148955, 249860, 257548, 270010, 297910, 321935, 387283, 540020, 595820, 643870, 774566, 837031, 1287740, 1549132, 1674062, 1936415, 1995997, 3348124, 3872830, 3991994, 4185155, 7745660, 7983988, 8370310, 9979985, 16740620, 19959970, 25947961, 39919940, 51895922, 103791844, 129739805, 259479610, 518959220]

約数ペア:

[(1, 518959220), (2, 259479610), (4, 129739805), (5, 103791844), (10, 51895922), (13, 39919940), (20, 25947961), (26, 19959970), (31, 16740620), (52, 9979985), (62, 8370310), (65, 7983988), (67, 7745660), (124, 4185155), (130, 3991994), (134, 3872830), (155, 3348124), (260, 1995997), (268, 1936415), (310, 1674062), (335, 1549132), (403, 1287740), (620, 837031), (670, 774566), (806, 643870), (871, 595820), (961, 540020), (1340, 387283), (1612, 321935), (1742, 297910), (1922, 270010), (2015, 257548), (2077, 249860), (3484, 148955), (3844, 135005), (4030, 128774), (4154, 124930), (4355, 119164), (4805, 108004), (8060, 64387), (8308, 62465), (8710, 59582), (9610, 54002), (10385, 49972), (12493, 41540), (17420, 29791), (19220, 27001), (20770, 24986)]