20098249640

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{223}}^1\times {\mathrm{6569}}^1$

素因数の和:6824

約数の個数: 128

約数和(自身を含む): 52980480000

約数和(自身を除く): 32882230360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 223, 245, 280, 343, 392, 446, 490, 686, 892, 980, 1115, 1372, 1561, 1715, 1784, 1960, 2230, 2744, 3122, 3430, 4460, 6244, 6569, 6860, 7805, 8920, 10927, 12488, 13138, 13720, 15610, 21854, 26276, 31220, 32845, 43708, 45983, 52552, 54635, 62440, 65690, 76489, 87416, 91966, 109270, 131380, 152978, 183932, 218540, 229915, 262760, 305956, 321881, 367864, 382445, 437080, 459830, 611912, 643762, 764890, 919660, 1287524, 1464887, 1529780, 1609405, 1839320, 2253167, 2575048, 2929774, 3059560, 3218810, 4506334, 5859548, 6437620, 7324435, 9012668, 10254209, 11265835, 11719096, 12875240, 14648870, 18025336, 20508418, 22531670, 29297740, 41016836, 45063340, 51271045, 58595480, 71779463, 82033672, 90126680, 102542090, 143558926, 205084180, 287117852, 358897315, 410168360, 502456241, 574235704, 717794630, 1004912482, 1435589260, 2009824964, 2512281205, 2871178520, 4019649928, 5024562410, 10049124820, 20098249640]

約数ペア:

[(1, 20098249640), (2, 10049124820), (4, 5024562410), (5, 4019649928), (7, 2871178520), (8, 2512281205), (10, 2009824964), (14, 1435589260), (20, 1004912482), (28, 717794630), (35, 574235704), (40, 502456241), (49, 410168360), (56, 358897315), (70, 287117852), (98, 205084180), (140, 143558926), (196, 102542090), (223, 90126680), (245, 82033672), (280, 71779463), (343, 58595480), (392, 51271045), (446, 45063340), (490, 41016836), (686, 29297740), (892, 22531670), (980, 20508418), (1115, 18025336), (1372, 14648870), (1561, 12875240), (1715, 11719096), (1784, 11265835), (1960, 10254209), (2230, 9012668), (2744, 7324435), (3122, 6437620), (3430, 5859548), (4460, 4506334), (6244, 3218810), (6569, 3059560), (6860, 2929774), (7805, 2575048), (8920, 2253167), (10927, 1839320), (12488, 1609405), (13138, 1529780), (13720, 1464887), (15610, 1287524), (21854, 919660), (26276, 764890), (31220, 643762), (32845, 611912), (43708, 459830), (45983, 437080), (52552, 382445), (54635, 367864), (62440, 321881), (65690, 305956), (76489, 262760), (87416, 229915), (91966, 218540), (109270, 183932), (131380, 152978)]