3807020

素因数分解:

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

素因数の和:470

約数の個数: 48

約数和(自身を含む): 9289728

約数和(自身を除く): 5482708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 383, 497, 710, 766, 994, 1420, 1532, 1915, 1988, 2485, 2681, 3830, 4970, 5362, 7660, 9940, 10724, 13405, 26810, 27193, 53620, 54386, 108772, 135965, 190351, 271930, 380702, 543860, 761404, 951755, 1903510, 3807020]

約数ペア:

[(1, 3807020), (2, 1903510), (4, 951755), (5, 761404), (7, 543860), (10, 380702), (14, 271930), (20, 190351), (28, 135965), (35, 108772), (70, 54386), (71, 53620), (140, 27193), (142, 26810), (284, 13405), (355, 10724), (383, 9940), (497, 7660), (710, 5362), (766, 4970), (994, 3830), (1420, 2681), (1532, 2485), (1915, 1988)]