1281100

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{557}}^1$

素因数の和:594

約数の個数: 36

約数和(自身を含む): 2906064

約数和(自身を除く): 1624964

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 230, 460, 557, 575, 1114, 1150, 2228, 2300, 2785, 5570, 11140, 12811, 13925, 25622, 27850, 51244, 55700, 64055, 128110, 256220, 320275, 640550, 1281100]

約数ペア:

[(1, 1281100), (2, 640550), (4, 320275), (5, 256220), (10, 128110), (20, 64055), (23, 55700), (25, 51244), (46, 27850), (50, 25622), (92, 13925), (100, 12811), (115, 11140), (230, 5570), (460, 2785), (557, 2300), (575, 2228), (1114, 1150)]