1401940960

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{178819}}^1$

素因数の和:178848

約数の個数: 72

約数和(自身を含む): 3852855720

約数和(自身を除く): 2450914760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 178819, 357638, 715276, 894095, 1251733, 1430552, 1788190, 2503466, 2861104, 3576380, 5006932, 5722208, 6258665, 7152760, 8762131, 10013864, 12517330, 14305520, 17524262, 20027728, 25034660, 28611040, 35048524, 40055456, 43810655, 50069320, 70097048, 87621310, 100138640, 140194096, 175242620, 200277280, 280388192, 350485240, 700970480, 1401940960]

約数ペア:

[(1, 1401940960), (2, 700970480), (4, 350485240), (5, 280388192), (7, 200277280), (8, 175242620), (10, 140194096), (14, 100138640), (16, 87621310), (20, 70097048), (28, 50069320), (32, 43810655), (35, 40055456), (40, 35048524), (49, 28611040), (56, 25034660), (70, 20027728), (80, 17524262), (98, 14305520), (112, 12517330), (140, 10013864), (160, 8762131), (196, 7152760), (224, 6258665), (245, 5722208), (280, 5006932), (392, 3576380), (490, 2861104), (560, 2503466), (784, 1788190), (980, 1430552), (1120, 1251733), (1568, 894095), (1960, 715276), (3920, 357638), (7840, 178819)]