280880768

素因数分解:

$2^7\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2393}}^1$

素因数の和:2545

約数の個数: 64

約数和(自身を含む): 644656320

約数和(自身を除く): 363775552

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 131, 224, 262, 448, 524, 896, 917, 1048, 1834, 2096, 2393, 3668, 4192, 4786, 7336, 8384, 9572, 14672, 16751, 16768, 19144, 29344, 33502, 38288, 58688, 67004, 76576, 117376, 134008, 153152, 268016, 306304, 313483, 536032, 626966, 1072064, 1253932, 2144128, 2194381, 2507864, 4388762, 5015728, 8777524, 10031456, 17555048, 20062912, 35110096, 40125824, 70220192, 140440384, 280880768]

約数ペア:

[(1, 280880768), (2, 140440384), (4, 70220192), (7, 40125824), (8, 35110096), (14, 20062912), (16, 17555048), (28, 10031456), (32, 8777524), (56, 5015728), (64, 4388762), (112, 2507864), (128, 2194381), (131, 2144128), (224, 1253932), (262, 1072064), (448, 626966), (524, 536032), (896, 313483), (917, 306304), (1048, 268016), (1834, 153152), (2096, 134008), (2393, 117376), (3668, 76576), (4192, 67004), (4786, 58688), (7336, 38288), (8384, 33502), (9572, 29344), (14672, 19144), (16751, 16768)]