400854080

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{433}}^1$

素因数の和:724

約数の個数: 112

約数和(自身を含む): 1047682944

約数和(自身を除く): 646828864

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 263, 320, 352, 433, 440, 526, 704, 866, 880, 1052, 1315, 1732, 1760, 2104, 2165, 2630, 2893, 3464, 3520, 4208, 4330, 4763, 5260, 5786, 6928, 8416, 8660, 9526, 10520, 11572, 13856, 14465, 16832, 17320, 19052, 21040, 23144, 23815, 27712, 28930, 34640, 38104, 42080, 46288, 47630, 57860, 69280, 76208, 84160, 92576, 95260, 113879, 115720, 138560, 152416, 185152, 190520, 227758, 231440, 304832, 381040, 455516, 462880, 569395, 762080, 911032, 925760, 1138790, 1252669, 1524160, 1822064, 2277580, 2505338, 3644128, 4555160, 5010676, 6263345, 7288256, 9110320, 10021352, 12526690, 18220640, 20042704, 25053380, 36441280, 40085408, 50106760, 80170816, 100213520, 200427040, 400854080]

約数ペア:

[(1, 400854080), (2, 200427040), (4, 100213520), (5, 80170816), (8, 50106760), (10, 40085408), (11, 36441280), (16, 25053380), (20, 20042704), (22, 18220640), (32, 12526690), (40, 10021352), (44, 9110320), (55, 7288256), (64, 6263345), (80, 5010676), (88, 4555160), (110, 3644128), (160, 2505338), (176, 2277580), (220, 1822064), (263, 1524160), (320, 1252669), (352, 1138790), (433, 925760), (440, 911032), (526, 762080), (704, 569395), (866, 462880), (880, 455516), (1052, 381040), (1315, 304832), (1732, 231440), (1760, 227758), (2104, 190520), (2165, 185152), (2630, 152416), (2893, 138560), (3464, 115720), (3520, 113879), (4208, 95260), (4330, 92576), (4763, 84160), (5260, 76208), (5786, 69280), (6928, 57860), (8416, 47630), (8660, 46288), (9526, 42080), (10520, 38104), (11572, 34640), (13856, 28930), (14465, 27712), (16832, 23815), (17320, 23144), (19052, 21040)]