280499296

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:249

約数の個数: 144

約数和(自身を含む): 707857920

約数和(自身を除く): 427358624

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 77, 79, 88, 112, 121, 131, 154, 158, 176, 224, 242, 262, 308, 316, 352, 484, 524, 553, 616, 632, 847, 869, 917, 968, 1048, 1106, 1232, 1264, 1441, 1694, 1738, 1834, 1936, 2096, 2212, 2464, 2528, 2882, 3388, 3476, 3668, 3872, 4192, 4424, 5764, 6083, 6776, 6952, 7336, 8848, 9559, 10087, 10349, 11528, 12166, 13552, 13904, 14672, 15851, 17696, 19118, 20174, 20698, 23056, 24332, 27104, 27808, 29344, 31702, 38236, 40348, 41396, 46112, 48664, 63404, 66913, 72443, 76472, 80696, 82792, 97328, 110957, 113839, 126808, 133826, 144886, 152944, 161392, 165584, 194656, 221914, 227678, 253616, 267652, 289772, 305888, 322784, 331168, 443828, 455356, 507232, 535304, 579544, 796873, 887656, 910712, 1070608, 1159088, 1252229, 1593746, 1775312, 1821424, 2141216, 2318176, 2504458, 3187492, 3550624, 3642848, 5008916, 6374984, 8765603, 10017832, 12749968, 17531206, 20035664, 25499936, 35062412, 40071328, 70124824, 140249648, 280499296]

約数ペア:

[(1, 280499296), (2, 140249648), (4, 70124824), (7, 40071328), (8, 35062412), (11, 25499936), (14, 20035664), (16, 17531206), (22, 12749968), (28, 10017832), (32, 8765603), (44, 6374984), (56, 5008916), (77, 3642848), (79, 3550624), (88, 3187492), (112, 2504458), (121, 2318176), (131, 2141216), (154, 1821424), (158, 1775312), (176, 1593746), (224, 1252229), (242, 1159088), (262, 1070608), (308, 910712), (316, 887656), (352, 796873), (484, 579544), (524, 535304), (553, 507232), (616, 455356), (632, 443828), (847, 331168), (869, 322784), (917, 305888), (968, 289772), (1048, 267652), (1106, 253616), (1232, 227678), (1264, 221914), (1441, 194656), (1694, 165584), (1738, 161392), (1834, 152944), (1936, 144886), (2096, 133826), (2212, 126808), (2464, 113839), (2528, 110957), (2882, 97328), (3388, 82792), (3476, 80696), (3668, 76472), (3872, 72443), (4192, 66913), (4424, 63404), (5764, 48664), (6083, 46112), (6776, 41396), (6952, 40348), (7336, 38236), (8848, 31702), (9559, 29344), (10087, 27808), (10349, 27104), (11528, 24332), (12166, 23056), (13552, 20698), (13904, 20174), (14672, 19118), (15851, 17696)]