749509640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{389}}^1$

素因数の和:591

約数の個数: 128

約数和(自身を含む): 1920672000

約数和(自身を除く): 1171162360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 145, 151, 220, 232, 290, 302, 319, 389, 440, 580, 604, 638, 755, 778, 1160, 1208, 1276, 1510, 1556, 1595, 1661, 1945, 2552, 3020, 3112, 3190, 3322, 3890, 4279, 4379, 6040, 6380, 6644, 7780, 8305, 8558, 8758, 11281, 12760, 13288, 15560, 16610, 17116, 17516, 21395, 21895, 22562, 33220, 34232, 35032, 42790, 43790, 45124, 48169, 56405, 58739, 66440, 85580, 87580, 90248, 96338, 112810, 117478, 124091, 171160, 175160, 192676, 225620, 234956, 240845, 248182, 293695, 385352, 451240, 469912, 481690, 496364, 587390, 620455, 646129, 963380, 992728, 1174780, 1240910, 1292258, 1703431, 1926760, 2349560, 2481820, 2584516, 3230645, 3406862, 4963640, 5169032, 6461290, 6813724, 8517155, 12922580, 13627448, 17034310, 18737741, 25845160, 34068620, 37475482, 68137240, 74950964, 93688705, 149901928, 187377410, 374754820, 749509640]

約数ペア:

[(1, 749509640), (2, 374754820), (4, 187377410), (5, 149901928), (8, 93688705), (10, 74950964), (11, 68137240), (20, 37475482), (22, 34068620), (29, 25845160), (40, 18737741), (44, 17034310), (55, 13627448), (58, 12922580), (88, 8517155), (110, 6813724), (116, 6461290), (145, 5169032), (151, 4963640), (220, 3406862), (232, 3230645), (290, 2584516), (302, 2481820), (319, 2349560), (389, 1926760), (440, 1703431), (580, 1292258), (604, 1240910), (638, 1174780), (755, 992728), (778, 963380), (1160, 646129), (1208, 620455), (1276, 587390), (1510, 496364), (1556, 481690), (1595, 469912), (1661, 451240), (1945, 385352), (2552, 293695), (3020, 248182), (3112, 240845), (3190, 234956), (3322, 225620), (3890, 192676), (4279, 175160), (4379, 171160), (6040, 124091), (6380, 117478), (6644, 112810), (7780, 96338), (8305, 90248), (8558, 87580), (8758, 85580), (11281, 66440), (12760, 58739), (13288, 56405), (15560, 48169), (16610, 45124), (17116, 43790), (17516, 42790), (21395, 35032), (21895, 34232), (22562, 33220)]