28415800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{20297}}^1$

素因数の和:20320

約数の個数: 48

約数和(自身を含む): 75508560

約数和(自身を除く): 47092760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 20297, 40594, 81188, 101485, 142079, 162376, 202970, 284158, 405940, 507425, 568316, 710395, 811880, 1014850, 1136632, 1420790, 2029700, 2841580, 3551975, 4059400, 5683160, 7103950, 14207900, 28415800]

約数ペア:

[(1, 28415800), (2, 14207900), (4, 7103950), (5, 5683160), (7, 4059400), (8, 3551975), (10, 2841580), (14, 2029700), (20, 1420790), (25, 1136632), (28, 1014850), (35, 811880), (40, 710395), (50, 568316), (56, 507425), (70, 405940), (100, 284158), (140, 202970), (175, 162376), (200, 142079), (280, 101485), (350, 81188), (700, 40594), (1400, 20297)]