7861576040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1451}}^1\times {\mathrm{7129}}^1$

素因数の和:8610

約数の個数: 64

約数和(自身を含む): 18634968000

約数和(自身を除く): 10773391960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 1451, 2902, 5804, 7129, 7255, 11608, 14258, 14510, 27569, 28516, 29020, 35645, 55138, 57032, 58040, 71290, 110276, 135451, 137845, 142580, 220552, 270902, 275690, 285160, 541804, 551380, 677255, 1083608, 1102760, 1354510, 2709020, 5418040, 10344179, 20688358, 41376716, 51720895, 82753432, 103441790, 196539401, 206883580, 393078802, 413767160, 786157604, 982697005, 1572315208, 1965394010, 3930788020, 7861576040]

約数ペア:

[(1, 7861576040), (2, 3930788020), (4, 1965394010), (5, 1572315208), (8, 982697005), (10, 786157604), (19, 413767160), (20, 393078802), (38, 206883580), (40, 196539401), (76, 103441790), (95, 82753432), (152, 51720895), (190, 41376716), (380, 20688358), (760, 10344179), (1451, 5418040), (2902, 2709020), (5804, 1354510), (7129, 1102760), (7255, 1083608), (11608, 677255), (14258, 551380), (14510, 541804), (27569, 285160), (28516, 275690), (29020, 270902), (35645, 220552), (55138, 142580), (57032, 137845), (58040, 135451), (71290, 110276)]