140409080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{13553}}^1$

素因数の和:13608

約数の個数: 64

約数和(自身を含む): 370837440

約数和(自身を除く): 230428360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 1036, 1295, 1480, 2072, 2590, 5180, 10360, 13553, 27106, 54212, 67765, 94871, 108424, 135530, 189742, 271060, 379484, 474355, 501461, 542120, 758968, 948710, 1002922, 1897420, 2005844, 2507305, 3510227, 3794840, 4011688, 5014610, 7020454, 10029220, 14040908, 17551135, 20058440, 28081816, 35102270, 70204540, 140409080]

約数ペア:

[(1, 140409080), (2, 70204540), (4, 35102270), (5, 28081816), (7, 20058440), (8, 17551135), (10, 14040908), (14, 10029220), (20, 7020454), (28, 5014610), (35, 4011688), (37, 3794840), (40, 3510227), (56, 2507305), (70, 2005844), (74, 1897420), (140, 1002922), (148, 948710), (185, 758968), (259, 542120), (280, 501461), (296, 474355), (370, 379484), (518, 271060), (740, 189742), (1036, 135530), (1295, 108424), (1480, 94871), (2072, 67765), (2590, 54212), (5180, 27106), (10360, 13553)]