388207120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{2467}}^1$

素因数の和:2768

約数の個数: 80

約数和(自身を含む): 1035612288

約数和(自身を除く): 647405168

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 281, 560, 562, 1124, 1405, 1967, 2248, 2467, 2810, 3934, 4496, 4934, 5620, 7868, 9835, 9868, 11240, 12335, 15736, 17269, 19670, 19736, 22480, 24670, 31472, 34538, 39340, 39472, 49340, 69076, 78680, 86345, 98680, 138152, 157360, 172690, 197360, 276304, 345380, 690760, 693227, 1381520, 1386454, 2772908, 3466135, 4852589, 5545816, 6932270, 9705178, 11091632, 13864540, 19410356, 24262945, 27729080, 38820712, 48525890, 55458160, 77641424, 97051780, 194103560, 388207120]

約数ペア:

[(1, 388207120), (2, 194103560), (4, 97051780), (5, 77641424), (7, 55458160), (8, 48525890), (10, 38820712), (14, 27729080), (16, 24262945), (20, 19410356), (28, 13864540), (35, 11091632), (40, 9705178), (56, 6932270), (70, 5545816), (80, 4852589), (112, 3466135), (140, 2772908), (280, 1386454), (281, 1381520), (560, 693227), (562, 690760), (1124, 345380), (1405, 276304), (1967, 197360), (2248, 172690), (2467, 157360), (2810, 138152), (3934, 98680), (4496, 86345), (4934, 78680), (5620, 69076), (7868, 49340), (9835, 39472), (9868, 39340), (11240, 34538), (12335, 31472), (15736, 24670), (17269, 22480), (19670, 19736)]