258625675

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1129}}^1$

素因数の和:1181

約数の個数: 72

約数和(自身を含む): 431289360

約数和(自身を除く): 172663685

約数列:

[1, 5, 7, 11, 17, 25, 35, 49, 55, 77, 85, 119, 175, 187, 245, 275, 385, 425, 539, 595, 833, 935, 1129, 1225, 1309, 1925, 2695, 2975, 4165, 4675, 5645, 6545, 7903, 9163, 12419, 13475, 19193, 20825, 28225, 32725, 39515, 45815, 55321, 62095, 86933, 95965, 134351, 197575, 211123, 229075, 276605, 310475, 434665, 479825, 608531, 671755, 940457, 1055615, 1383025, 1477861, 2173325, 3042655, 3358775, 4702285, 5278075, 7389305, 10345027, 15213275, 23511425, 36946525, 51725135, 258625675]

約数ペア:

[(1, 258625675), (5, 51725135), (7, 36946525), (11, 23511425), (17, 15213275), (25, 10345027), (35, 7389305), (49, 5278075), (55, 4702285), (77, 3358775), (85, 3042655), (119, 2173325), (175, 1477861), (187, 1383025), (245, 1055615), (275, 940457), (385, 671755), (425, 608531), (539, 479825), (595, 434665), (833, 310475), (935, 276605), (1129, 229075), (1225, 211123), (1309, 197575), (1925, 134351), (2695, 95965), (2975, 86933), (4165, 62095), (4675, 55321), (5645, 45815), (6545, 39515), (7903, 32725), (9163, 28225), (12419, 20825), (13475, 19193)]