194601875

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{557}}^1$

素因数の和:633

約数の個数: 40

約数和(自身を含む): 268451568

約数和(自身を除く): 73849693

約数列:

[1, 5, 13, 25, 43, 65, 125, 215, 325, 557, 559, 625, 1075, 1625, 2785, 2795, 5375, 7241, 8125, 13925, 13975, 23951, 26875, 36205, 69625, 69875, 119755, 181025, 311363, 348125, 349375, 598775, 905125, 1556815, 2993875, 4525625, 7784075, 14969375, 38920375, 194601875]

約数ペア:

[(1, 194601875), (5, 38920375), (13, 14969375), (25, 7784075), (43, 4525625), (65, 2993875), (125, 1556815), (215, 905125), (325, 598775), (557, 349375), (559, 348125), (625, 311363), (1075, 181025), (1625, 119755), (2785, 69875), (2795, 69625), (5375, 36205), (7241, 26875), (8125, 23951), (13925, 13975)]