179671700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{138209}}^1$

素因数の和:138236

約数の個数: 36

約数和(自身を含む): 419881980

約数和(自身を除く): 240210280

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 138209, 276418, 552836, 691045, 1382090, 1796717, 2764180, 3455225, 3593434, 6910450, 7186868, 8983585, 13820900, 17967170, 35934340, 44917925, 89835850, 179671700]

約数ペア:

[(1, 179671700), (2, 89835850), (4, 44917925), (5, 35934340), (10, 17967170), (13, 13820900), (20, 8983585), (25, 7186868), (26, 6910450), (50, 3593434), (52, 3455225), (65, 2764180), (100, 1796717), (130, 1382090), (260, 691045), (325, 552836), (650, 276418), (1300, 138209)]