890408099020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1303}}^1\times {\mathrm{282377}}^1$

素因数の和:283711

約数の個数: 72

約数和(自身を含む): 2056882014432

約数和(自身を除く): 1166473915412

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 1303, 2420, 2606, 5212, 6515, 13030, 14333, 26060, 28666, 57332, 71665, 143330, 157663, 282377, 286660, 315326, 564754, 630652, 788315, 1129508, 1411885, 1576630, 2823770, 3106147, 3153260, 5647540, 6212294, 12424588, 15530735, 31061470, 34167617, 62122940, 68335234, 136670468, 170838085, 341676170, 367937231, 683352340, 735874462, 1471748924, 1839686155, 3679372310, 4047309541, 7358744620, 8094619082, 16189238164, 20236547705, 40473095410, 44520404951, 80946190820, 89040809902, 178081619804, 222602024755, 445204049510, 890408099020]

約数ペア:

[(1, 890408099020), (2, 445204049510), (4, 222602024755), (5, 178081619804), (10, 89040809902), (11, 80946190820), (20, 44520404951), (22, 40473095410), (44, 20236547705), (55, 16189238164), (110, 8094619082), (121, 7358744620), (220, 4047309541), (242, 3679372310), (484, 1839686155), (605, 1471748924), (1210, 735874462), (1303, 683352340), (2420, 367937231), (2606, 341676170), (5212, 170838085), (6515, 136670468), (13030, 68335234), (14333, 62122940), (26060, 34167617), (28666, 31061470), (57332, 15530735), (71665, 12424588), (143330, 6212294), (157663, 5647540), (282377, 3153260), (286660, 3106147), (315326, 2823770), (564754, 1576630), (630652, 1411885), (788315, 1129508)]