1918439680

素因数分解:

$2^8\times 5^1\times {\mathrm{769}}^1\times {\mathrm{1949}}^1$

素因数の和:2739

約数の個数: 72

約数和(自身を含む): 4603599000

約数和(自身を除く): 2685159320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 769, 1280, 1538, 1949, 3076, 3845, 3898, 6152, 7690, 7796, 9745, 12304, 15380, 15592, 19490, 24608, 30760, 31184, 38980, 49216, 61520, 62368, 77960, 98432, 123040, 124736, 155920, 196864, 246080, 249472, 311840, 492160, 498944, 623680, 984320, 1247360, 1498781, 2494720, 2997562, 5995124, 7493905, 11990248, 14987810, 23980496, 29975620, 47960992, 59951240, 95921984, 119902480, 191843968, 239804960, 383687936, 479609920, 959219840, 1918439680]

約数ペア:

[(1, 1918439680), (2, 959219840), (4, 479609920), (5, 383687936), (8, 239804960), (10, 191843968), (16, 119902480), (20, 95921984), (32, 59951240), (40, 47960992), (64, 29975620), (80, 23980496), (128, 14987810), (160, 11990248), (256, 7493905), (320, 5995124), (640, 2997562), (769, 2494720), (1280, 1498781), (1538, 1247360), (1949, 984320), (3076, 623680), (3845, 498944), (3898, 492160), (6152, 311840), (7690, 249472), (7796, 246080), (9745, 196864), (12304, 155920), (15380, 124736), (15592, 123040), (19490, 98432), (24608, 77960), (30760, 62368), (31184, 61520), (38980, 49216)]