28984760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1697}}^1$

素因数の和:1776

約数の個数: 64

約数和(自身を含む): 75798720

約数和(自身を除く): 46813960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 610, 854, 1220, 1697, 1708, 2135, 2440, 3394, 3416, 4270, 6788, 8485, 8540, 11879, 13576, 16970, 17080, 23758, 33940, 47516, 59395, 67880, 95032, 103517, 118790, 207034, 237580, 414068, 475160, 517585, 724619, 828136, 1035170, 1449238, 2070340, 2898476, 3623095, 4140680, 5796952, 7246190, 14492380, 28984760]

約数ペア:

[(1, 28984760), (2, 14492380), (4, 7246190), (5, 5796952), (7, 4140680), (8, 3623095), (10, 2898476), (14, 2070340), (20, 1449238), (28, 1035170), (35, 828136), (40, 724619), (56, 517585), (61, 475160), (70, 414068), (122, 237580), (140, 207034), (244, 118790), (280, 103517), (305, 95032), (427, 67880), (488, 59395), (610, 47516), (854, 33940), (1220, 23758), (1697, 17080), (1708, 16970), (2135, 13576), (2440, 11879), (3394, 8540), (3416, 8485), (4270, 6788)]