408887820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{7121}}^1$

素因数の和:7176

約数の個数: 144

約数和(自身を含む): 1399900320

約数和(自身を除く): 991012500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 29, 30, 33, 36, 44, 45, 55, 58, 60, 66, 87, 90, 99, 110, 116, 132, 145, 165, 174, 180, 198, 220, 261, 290, 319, 330, 348, 396, 435, 495, 522, 580, 638, 660, 870, 957, 990, 1044, 1276, 1305, 1595, 1740, 1914, 1980, 2610, 2871, 3190, 3828, 4785, 5220, 5742, 6380, 7121, 9570, 11484, 14242, 14355, 19140, 21363, 28484, 28710, 35605, 42726, 57420, 64089, 71210, 78331, 85452, 106815, 128178, 142420, 156662, 206509, 213630, 234993, 256356, 313324, 320445, 391655, 413018, 427260, 469986, 619527, 640890, 704979, 783310, 826036, 939972, 1032545, 1174965, 1239054, 1281780, 1409958, 1566620, 1858581, 2065090, 2271599, 2349930, 2478108, 2819916, 3097635, 3524895, 3717162, 4130180, 4543198, 4699860, 6195270, 6814797, 7049790, 7434324, 9086396, 9292905, 11357995, 12390540, 13629594, 14099580, 18585810, 20444391, 22715990, 27259188, 34073985, 37171620, 40888782, 45431980, 68147970, 81777564, 102221955, 136295940, 204443910, 408887820]

約数ペア:

[(1, 408887820), (2, 204443910), (3, 136295940), (4, 102221955), (5, 81777564), (6, 68147970), (9, 45431980), (10, 40888782), (11, 37171620), (12, 34073985), (15, 27259188), (18, 22715990), (20, 20444391), (22, 18585810), (29, 14099580), (30, 13629594), (33, 12390540), (36, 11357995), (44, 9292905), (45, 9086396), (55, 7434324), (58, 7049790), (60, 6814797), (66, 6195270), (87, 4699860), (90, 4543198), (99, 4130180), (110, 3717162), (116, 3524895), (132, 3097635), (145, 2819916), (165, 2478108), (174, 2349930), (180, 2271599), (198, 2065090), (220, 1858581), (261, 1566620), (290, 1409958), (319, 1281780), (330, 1239054), (348, 1174965), (396, 1032545), (435, 939972), (495, 826036), (522, 783310), (580, 704979), (638, 640890), (660, 619527), (870, 469986), (957, 427260), (990, 413018), (1044, 391655), (1276, 320445), (1305, 313324), (1595, 256356), (1740, 234993), (1914, 213630), (1980, 206509), (2610, 156662), (2871, 142420), (3190, 128178), (3828, 106815), (4785, 85452), (5220, 78331), (5742, 71210), (6380, 64089), (7121, 57420), (9570, 42726), (11484, 35605), (14242, 28710), (14355, 28484), (19140, 21363)]