142904804

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1\times {\mathrm{509}}^1$

素因数の和:828

約数の個数: 48

約数和(自身を含む): 295196160

約数和(自身を除く): 152291356

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 271, 509, 518, 542, 1018, 1036, 1084, 1897, 2036, 3563, 3794, 7126, 7588, 10027, 14252, 18833, 20054, 37666, 40108, 70189, 75332, 131831, 137939, 140378, 263662, 275878, 280756, 527324, 551756, 965573, 1931146, 3862292, 5103743, 10207486, 20414972, 35726201, 71452402, 142904804]

約数ペア:

[(1, 142904804), (2, 71452402), (4, 35726201), (7, 20414972), (14, 10207486), (28, 5103743), (37, 3862292), (74, 1931146), (148, 965573), (259, 551756), (271, 527324), (509, 280756), (518, 275878), (542, 263662), (1018, 140378), (1036, 137939), (1084, 131831), (1897, 75332), (2036, 70189), (3563, 40108), (3794, 37666), (7126, 20054), (7588, 18833), (10027, 14252)]