72151250

素因数分解:

$2^1\times 5^4\times {\mathrm{197}}^1\times {\mathrm{293}}^1$

素因数の和:512

約数の個数: 40

約数和(自身を含む): 136390716

約数和(自身を除く): 64239466

約数列:

[1, 2, 5, 10, 25, 50, 125, 197, 250, 293, 394, 586, 625, 985, 1250, 1465, 1970, 2930, 4925, 7325, 9850, 14650, 24625, 36625, 49250, 57721, 73250, 115442, 123125, 183125, 246250, 288605, 366250, 577210, 1443025, 2886050, 7215125, 14430250, 36075625, 72151250]

約数ペア:

[(1, 72151250), (2, 36075625), (5, 14430250), (10, 7215125), (25, 2886050), (50, 1443025), (125, 577210), (197, 366250), (250, 288605), (293, 246250), (394, 183125), (586, 123125), (625, 115442), (985, 73250), (1250, 57721), (1465, 49250), (1970, 36625), (2930, 24625), (4925, 14650), (7325, 9850)]