91990970

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{1723}}^1$

素因数の和:2030

約数の個数: 32

約数和(自身を含む): 175020480

約数和(自身を除く): 83029510

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 281, 562, 1405, 1723, 2810, 3446, 5339, 8615, 10678, 17230, 26695, 32737, 53390, 65474, 163685, 327370, 484163, 968326, 2420815, 4841630, 9199097, 18398194, 45995485, 91990970]

約数ペア:

[(1, 91990970), (2, 45995485), (5, 18398194), (10, 9199097), (19, 4841630), (38, 2420815), (95, 968326), (190, 484163), (281, 327370), (562, 163685), (1405, 65474), (1723, 53390), (2810, 32737), (3446, 26695), (5339, 17230), (8615, 10678)]