788001920

素因数分解:

$2^7\times 5^1\times {\mathrm{29}}^1\times {\mathrm{42457}}^1$

素因数の和:42505

約数の個数: 64

約数和(自身を含む): 1948822200

約数和(自身を除く): 1160820280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 290, 320, 464, 580, 640, 928, 1160, 1856, 2320, 3712, 4640, 9280, 18560, 42457, 84914, 169828, 212285, 339656, 424570, 679312, 849140, 1231253, 1358624, 1698280, 2462506, 2717248, 3396560, 4925012, 5434496, 6156265, 6793120, 9850024, 12312530, 13586240, 19700048, 24625060, 27172480, 39400096, 49250120, 78800192, 98500240, 157600384, 197000480, 394000960, 788001920]

約数ペア:

[(1, 788001920), (2, 394000960), (4, 197000480), (5, 157600384), (8, 98500240), (10, 78800192), (16, 49250120), (20, 39400096), (29, 27172480), (32, 24625060), (40, 19700048), (58, 13586240), (64, 12312530), (80, 9850024), (116, 6793120), (128, 6156265), (145, 5434496), (160, 4925012), (232, 3396560), (290, 2717248), (320, 2462506), (464, 1698280), (580, 1358624), (640, 1231253), (928, 849140), (1160, 679312), (1856, 424570), (2320, 339656), (3712, 212285), (4640, 169828), (9280, 84914), (18560, 42457)]