2939133040

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{557}}^1\times {\mathrm{929}}^1$

素因数の和:1570

約数の個数: 80

約数和(自身を含む): 6949644480

約数和(自身を除く): 4010511440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 557, 568, 710, 929, 1114, 1136, 1420, 1858, 2228, 2785, 2840, 3716, 4456, 4645, 5570, 5680, 7432, 8912, 9290, 11140, 14864, 18580, 22280, 37160, 39547, 44560, 65959, 74320, 79094, 131918, 158188, 197735, 263836, 316376, 329795, 395470, 517453, 527672, 632752, 659590, 790940, 1034906, 1055344, 1319180, 1581880, 2069812, 2587265, 2638360, 3163760, 4139624, 5174530, 5276720, 8279248, 10349060, 20698120, 36739163, 41396240, 73478326, 146956652, 183695815, 293913304, 367391630, 587826608, 734783260, 1469566520, 2939133040]

約数ペア:

[(1, 2939133040), (2, 1469566520), (4, 734783260), (5, 587826608), (8, 367391630), (10, 293913304), (16, 183695815), (20, 146956652), (40, 73478326), (71, 41396240), (80, 36739163), (142, 20698120), (284, 10349060), (355, 8279248), (557, 5276720), (568, 5174530), (710, 4139624), (929, 3163760), (1114, 2638360), (1136, 2587265), (1420, 2069812), (1858, 1581880), (2228, 1319180), (2785, 1055344), (2840, 1034906), (3716, 790940), (4456, 659590), (4645, 632752), (5570, 527672), (5680, 517453), (7432, 395470), (8912, 329795), (9290, 316376), (11140, 263836), (14864, 197735), (18580, 158188), (22280, 131918), (37160, 79094), (39547, 74320), (44560, 65959)]