198996200

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{76537}}^1$

素因数の和:76566

約数の個数: 48

約数和(自身を含む): 498262380

約数和(自身を除く): 299266180

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 76537, 153074, 306148, 382685, 612296, 765370, 994981, 1530740, 1913425, 1989962, 3061480, 3826850, 3979924, 4974905, 7653700, 7959848, 9949810, 15307400, 19899620, 24874525, 39799240, 49749050, 99498100, 198996200]

約数ペア:

[(1, 198996200), (2, 99498100), (4, 49749050), (5, 39799240), (8, 24874525), (10, 19899620), (13, 15307400), (20, 9949810), (25, 7959848), (26, 7653700), (40, 4974905), (50, 3979924), (52, 3826850), (65, 3061480), (100, 1989962), (104, 1913425), (130, 1530740), (200, 994981), (260, 765370), (325, 612296), (520, 382685), (650, 306148), (1300, 153074), (2600, 76537)]