2019935225

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{641}}^1\times {\mathrm{1637}}^1$

素因数の和:2306

約数の個数: 48

約数和(自身を含む): 3129549696

約数和(自身を除く): 1109614471

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 275, 385, 641, 1637, 1925, 3205, 4487, 7051, 8185, 11459, 16025, 18007, 22435, 35255, 40925, 49357, 57295, 90035, 112175, 126049, 176275, 246785, 286475, 450175, 630245, 1049317, 1233925, 3151225, 5246585, 7345219, 11542487, 26232925, 36726095, 57712435, 80797409, 183630475, 288562175, 403987045, 2019935225]

約数ペア:

[(1, 2019935225), (5, 403987045), (7, 288562175), (11, 183630475), (25, 80797409), (35, 57712435), (55, 36726095), (77, 26232925), (175, 11542487), (275, 7345219), (385, 5246585), (641, 3151225), (1637, 1233925), (1925, 1049317), (3205, 630245), (4487, 450175), (7051, 286475), (8185, 246785), (11459, 176275), (16025, 126049), (18007, 112175), (22435, 90035), (35255, 57295), (40925, 49357)]