8420522012

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{40039}}^1$

素因数の和:40123

約数の個数: 72

約数和(自身を含む): 18212594400

約数和(自身を除く): 9792072388

約数列:

[1, 2, 4, 7, 14, 28, 29, 37, 49, 58, 74, 98, 116, 148, 196, 203, 259, 406, 518, 812, 1036, 1073, 1421, 1813, 2146, 2842, 3626, 4292, 5684, 7252, 7511, 15022, 30044, 40039, 52577, 80078, 105154, 160156, 210308, 280273, 560546, 1121092, 1161131, 1481443, 1961911, 2322262, 2962886, 3923822, 4644524, 5925772, 7847644, 8127917, 10370101, 16255834, 20740202, 32511668, 41480404, 42961847, 56895419, 72590707, 85923694, 113790838, 145181414, 171847388, 227581676, 290362828, 300732929, 601465858, 1202931716, 2105130503, 4210261006, 8420522012]

約数ペア:

[(1, 8420522012), (2, 4210261006), (4, 2105130503), (7, 1202931716), (14, 601465858), (28, 300732929), (29, 290362828), (37, 227581676), (49, 171847388), (58, 145181414), (74, 113790838), (98, 85923694), (116, 72590707), (148, 56895419), (196, 42961847), (203, 41480404), (259, 32511668), (406, 20740202), (518, 16255834), (812, 10370101), (1036, 8127917), (1073, 7847644), (1421, 5925772), (1813, 4644524), (2146, 3923822), (2842, 2962886), (3626, 2322262), (4292, 1961911), (5684, 1481443), (7252, 1161131), (7511, 1121092), (15022, 560546), (30044, 280273), (40039, 210308), (52577, 160156), (80078, 105154)]