26649140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{383}}^1$

素因数の和:477

約数の個数: 72

約数和(自身を含む): 66189312

約数和(自身を除く): 39540172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 71, 98, 140, 142, 196, 245, 284, 355, 383, 490, 497, 710, 766, 980, 994, 1420, 1532, 1915, 1988, 2485, 2681, 3479, 3830, 4970, 5362, 6958, 7660, 9940, 10724, 13405, 13916, 17395, 18767, 26810, 27193, 34790, 37534, 53620, 54386, 69580, 75068, 93835, 108772, 135965, 187670, 190351, 271930, 375340, 380702, 543860, 761404, 951755, 1332457, 1903510, 2664914, 3807020, 5329828, 6662285, 13324570, 26649140]

約数ペア:

[(1, 26649140), (2, 13324570), (4, 6662285), (5, 5329828), (7, 3807020), (10, 2664914), (14, 1903510), (20, 1332457), (28, 951755), (35, 761404), (49, 543860), (70, 380702), (71, 375340), (98, 271930), (140, 190351), (142, 187670), (196, 135965), (245, 108772), (284, 93835), (355, 75068), (383, 69580), (490, 54386), (497, 53620), (710, 37534), (766, 34790), (980, 27193), (994, 26810), (1420, 18767), (1532, 17395), (1915, 13916), (1988, 13405), (2485, 10724), (2681, 9940), (3479, 7660), (3830, 6958), (4970, 5362)]