245436884

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:250

約数の個数: 108

約数和(自身を含む): 560387520

約数和(自身を除く): 314950636

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 79, 98, 121, 131, 154, 158, 196, 242, 262, 308, 316, 484, 524, 539, 553, 847, 869, 917, 1078, 1106, 1441, 1694, 1738, 1834, 2156, 2212, 2882, 3388, 3476, 3668, 3871, 5764, 5929, 6083, 6419, 7742, 9559, 10087, 10349, 11858, 12166, 12838, 15484, 15851, 19118, 20174, 20698, 23716, 24332, 25676, 31702, 38236, 40348, 41396, 42581, 63404, 66913, 70609, 72443, 85162, 110957, 113839, 133826, 141218, 144886, 170324, 221914, 227678, 267652, 282436, 289772, 443828, 455356, 468391, 507101, 776699, 796873, 936782, 1014202, 1252229, 1553398, 1593746, 1873564, 2028404, 2504458, 3106796, 3187492, 5008916, 5578111, 8765603, 11156222, 17531206, 22312444, 35062412, 61359221, 122718442, 245436884]

約数ペア:

[(1, 245436884), (2, 122718442), (4, 61359221), (7, 35062412), (11, 22312444), (14, 17531206), (22, 11156222), (28, 8765603), (44, 5578111), (49, 5008916), (77, 3187492), (79, 3106796), (98, 2504458), (121, 2028404), (131, 1873564), (154, 1593746), (158, 1553398), (196, 1252229), (242, 1014202), (262, 936782), (308, 796873), (316, 776699), (484, 507101), (524, 468391), (539, 455356), (553, 443828), (847, 289772), (869, 282436), (917, 267652), (1078, 227678), (1106, 221914), (1441, 170324), (1694, 144886), (1738, 141218), (1834, 133826), (2156, 113839), (2212, 110957), (2882, 85162), (3388, 72443), (3476, 70609), (3668, 66913), (3871, 63404), (5764, 42581), (5929, 41396), (6083, 40348), (6419, 38236), (7742, 31702), (9559, 25676), (10087, 24332), (10349, 23716), (11858, 20698), (12166, 20174), (12838, 19118), (15484, 15851)]