307939072

素因数分解:

$2^8\times 7^1\times {\mathrm{239}}^1\times {\mathrm{719}}^1$

素因数の和:981

約数の個数: 72

約数和(自身を含む): 706406400

約数和(自身を除く): 398467328

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 239, 256, 448, 478, 719, 896, 956, 1438, 1673, 1792, 1912, 2876, 3346, 3824, 5033, 5752, 6692, 7648, 10066, 11504, 13384, 15296, 20132, 23008, 26768, 30592, 40264, 46016, 53536, 61184, 80528, 92032, 107072, 161056, 171841, 184064, 214144, 322112, 343682, 428288, 644224, 687364, 1202887, 1288448, 1374728, 2405774, 2749456, 4811548, 5498912, 9623096, 10997824, 19246192, 21995648, 38492384, 43991296, 76984768, 153969536, 307939072]

約数ペア:

[(1, 307939072), (2, 153969536), (4, 76984768), (7, 43991296), (8, 38492384), (14, 21995648), (16, 19246192), (28, 10997824), (32, 9623096), (56, 5498912), (64, 4811548), (112, 2749456), (128, 2405774), (224, 1374728), (239, 1288448), (256, 1202887), (448, 687364), (478, 644224), (719, 428288), (896, 343682), (956, 322112), (1438, 214144), (1673, 184064), (1792, 171841), (1912, 161056), (2876, 107072), (3346, 92032), (3824, 80528), (5033, 61184), (5752, 53536), (6692, 46016), (7648, 40264), (10066, 30592), (11504, 26768), (13384, 23008), (15296, 20132)]