7831214920

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{727}}^1\times {\mathrm{1367}}^1$

素因数の和:2302

約数の個数: 64

約数和(自身を含む): 17747009280

約数和(自身を除く): 9915794360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 727, 788, 985, 1367, 1454, 1576, 1970, 2734, 2908, 3635, 3940, 5468, 5816, 6835, 7270, 7880, 10936, 13670, 14540, 27340, 29080, 54680, 143219, 269299, 286438, 538598, 572876, 716095, 993809, 1077196, 1145752, 1346495, 1432190, 1987618, 2154392, 2692990, 2864380, 3975236, 4969045, 5385980, 5728760, 7950472, 9938090, 10771960, 19876180, 39752360, 195780373, 391560746, 783121492, 978901865, 1566242984, 1957803730, 3915607460, 7831214920]

約数ペア:

[(1, 7831214920), (2, 3915607460), (4, 1957803730), (5, 1566242984), (8, 978901865), (10, 783121492), (20, 391560746), (40, 195780373), (197, 39752360), (394, 19876180), (727, 10771960), (788, 9938090), (985, 7950472), (1367, 5728760), (1454, 5385980), (1576, 4969045), (1970, 3975236), (2734, 2864380), (2908, 2692990), (3635, 2154392), (3940, 1987618), (5468, 1432190), (5816, 1346495), (6835, 1145752), (7270, 1077196), (7880, 993809), (10936, 716095), (13670, 572876), (14540, 538598), (27340, 286438), (29080, 269299), (54680, 143219)]