149011775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^3\times {\mathrm{79}}^1$

素因数の和:157

約数の個数: 48

約数和(自身を含む): 215462400

約数和(自身を除く): 66450625

約数列:

[1, 5, 11, 19, 25, 55, 79, 95, 209, 275, 361, 395, 475, 869, 1045, 1501, 1805, 1975, 3971, 4345, 5225, 6859, 7505, 9025, 16511, 19855, 21725, 28519, 34295, 37525, 75449, 82555, 99275, 142595, 171475, 313709, 377245, 412775, 541861, 712975, 1568545, 1886225, 2709305, 5960471, 7842725, 13546525, 29802355, 149011775]

約数ペア:

[(1, 149011775), (5, 29802355), (11, 13546525), (19, 7842725), (25, 5960471), (55, 2709305), (79, 1886225), (95, 1568545), (209, 712975), (275, 541861), (361, 412775), (395, 377245), (475, 313709), (869, 171475), (1045, 142595), (1501, 99275), (1805, 82555), (1975, 75449), (3971, 37525), (4345, 34295), (5225, 28519), (6859, 21725), (7505, 19855), (9025, 16511)]