549780010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{2161}}^1$

素因数の和:2303

約数の個数: 64

約数和(自身を含む): 1133233920

約数和(自身を除く): 583453910

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 103, 130, 190, 206, 247, 494, 515, 1030, 1235, 1339, 1957, 2161, 2470, 2678, 3914, 4322, 6695, 9785, 10805, 13390, 19570, 21610, 25441, 28093, 41059, 50882, 56186, 82118, 127205, 140465, 205295, 222583, 254410, 280930, 410590, 445166, 533767, 1067534, 1112915, 2225830, 2668835, 2893579, 4229077, 5337670, 5787158, 8458154, 14467895, 21145385, 28935790, 42290770, 54978001, 109956002, 274890005, 549780010]

約数ペア:

[(1, 549780010), (2, 274890005), (5, 109956002), (10, 54978001), (13, 42290770), (19, 28935790), (26, 21145385), (38, 14467895), (65, 8458154), (95, 5787158), (103, 5337670), (130, 4229077), (190, 2893579), (206, 2668835), (247, 2225830), (494, 1112915), (515, 1067534), (1030, 533767), (1235, 445166), (1339, 410590), (1957, 280930), (2161, 254410), (2470, 222583), (2678, 205295), (3914, 140465), (4322, 127205), (6695, 82118), (9785, 56186), (10805, 50882), (13390, 41059), (19570, 28093), (21610, 25441)]