512731940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:218

約数の個数: 144

約数和(自身を含む): 1318576896

約数和(自身を除く): 805844956

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 37, 62, 70, 74, 103, 124, 140, 148, 155, 185, 206, 217, 259, 310, 370, 412, 434, 515, 518, 620, 721, 740, 868, 961, 1030, 1036, 1085, 1147, 1295, 1442, 1922, 2060, 2170, 2294, 2590, 2884, 3193, 3605, 3811, 3844, 4340, 4588, 4805, 5180, 5735, 6386, 6727, 7210, 7622, 8029, 9610, 11470, 12772, 13454, 14420, 15244, 15965, 16058, 19055, 19220, 22351, 22940, 26677, 26908, 31930, 32116, 33635, 35557, 38110, 40145, 44702, 53354, 63860, 67270, 71114, 76220, 80290, 89404, 98983, 106708, 111755, 118141, 133385, 134540, 142228, 160580, 177785, 197966, 223510, 236282, 248899, 266770, 355570, 395932, 447020, 472564, 494915, 497798, 533540, 590705, 692881, 711140, 826987, 989830, 995596, 1181410, 1244495, 1385762, 1653974, 1979660, 2362820, 2488990, 2771524, 3307948, 3464405, 3662371, 4134935, 4977980, 6928810, 7324742, 8269870, 13857620, 14649484, 16539740, 18311855, 25636597, 36623710, 51273194, 73247420, 102546388, 128182985, 256365970, 512731940]

約数ペア:

[(1, 512731940), (2, 256365970), (4, 128182985), (5, 102546388), (7, 73247420), (10, 51273194), (14, 36623710), (20, 25636597), (28, 18311855), (31, 16539740), (35, 14649484), (37, 13857620), (62, 8269870), (70, 7324742), (74, 6928810), (103, 4977980), (124, 4134935), (140, 3662371), (148, 3464405), (155, 3307948), (185, 2771524), (206, 2488990), (217, 2362820), (259, 1979660), (310, 1653974), (370, 1385762), (412, 1244495), (434, 1181410), (515, 995596), (518, 989830), (620, 826987), (721, 711140), (740, 692881), (868, 590705), (961, 533540), (1030, 497798), (1036, 494915), (1085, 472564), (1147, 447020), (1295, 395932), (1442, 355570), (1922, 266770), (2060, 248899), (2170, 236282), (2294, 223510), (2590, 197966), (2884, 177785), (3193, 160580), (3605, 142228), (3811, 134540), (3844, 133385), (4340, 118141), (4588, 111755), (4805, 106708), (5180, 98983), (5735, 89404), (6386, 80290), (6727, 76220), (7210, 71114), (7622, 67270), (8029, 63860), (9610, 53354), (11470, 44702), (12772, 40145), (13454, 38110), (14420, 35557), (15244, 33635), (15965, 32116), (16058, 31930), (19055, 26908), (19220, 26677), (22351, 22940)]