28959800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{7621}}^1$

素因数の和:7656

約数の個数: 48

約数和(自身を含む): 70884600

約数和(自身を除く): 41924800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3800, 7621, 15242, 30484, 38105, 60968, 76210, 144799, 152420, 190525, 289598, 304840, 381050, 579196, 723995, 762100, 1158392, 1447990, 1524200, 2895980, 3619975, 5791960, 7239950, 14479900, 28959800]

約数ペア:

[(1, 28959800), (2, 14479900), (4, 7239950), (5, 5791960), (8, 3619975), (10, 2895980), (19, 1524200), (20, 1447990), (25, 1158392), (38, 762100), (40, 723995), (50, 579196), (76, 381050), (95, 304840), (100, 289598), (152, 190525), (190, 152420), (200, 144799), (380, 76210), (475, 60968), (760, 38105), (950, 30484), (1900, 15242), (3800, 7621)]