179986300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{138451}}^1$

素因数の和:138478

約数の個数: 36

約数和(自身を含む): 420617176

約数和(自身を除く): 240630876

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 138451, 276902, 553804, 692255, 1384510, 1799863, 2769020, 3461275, 3599726, 6922550, 7199452, 8999315, 13845100, 17998630, 35997260, 44996575, 89993150, 179986300]

約数ペア:

[(1, 179986300), (2, 89993150), (4, 44996575), (5, 35997260), (10, 17998630), (13, 13845100), (20, 8999315), (25, 7199452), (26, 6922550), (50, 3599726), (52, 3461275), (65, 2769020), (100, 1799863), (130, 1384510), (260, 692255), (325, 553804), (650, 276902), (1300, 138451)]