1987704320

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{110921}}^1$

素因数の和:110951

約数の個数: 80

約数和(自身を含む): 5446713888

約数和(自身を除く): 3459009568

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1120, 1280, 1792, 2240, 2560, 3584, 4480, 8960, 17920, 110921, 221842, 443684, 554605, 776447, 887368, 1109210, 1552894, 1774736, 2218420, 3105788, 3549472, 3882235, 4436840, 6211576, 7098944, 7764470, 8873680, 12423152, 14197888, 15528940, 17747360, 24846304, 28395776, 31057880, 35494720, 49692608, 56791552, 62115760, 70989440, 99385216, 124231520, 141978880, 198770432, 248463040, 283957760, 397540864, 496926080, 993852160, 1987704320]

約数ペア:

[(1, 1987704320), (2, 993852160), (4, 496926080), (5, 397540864), (7, 283957760), (8, 248463040), (10, 198770432), (14, 141978880), (16, 124231520), (20, 99385216), (28, 70989440), (32, 62115760), (35, 56791552), (40, 49692608), (56, 35494720), (64, 31057880), (70, 28395776), (80, 24846304), (112, 17747360), (128, 15528940), (140, 14197888), (160, 12423152), (224, 8873680), (256, 7764470), (280, 7098944), (320, 6211576), (448, 4436840), (512, 3882235), (560, 3549472), (640, 3105788), (896, 2218420), (1120, 1774736), (1280, 1552894), (1792, 1109210), (2240, 887368), (2560, 776447), (3584, 554605), (4480, 443684), (8960, 221842), (17920, 110921)]