3665020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 8164800

約数和(自身を除く): 4499780

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 71, 89, 116, 142, 145, 178, 284, 290, 355, 356, 445, 580, 710, 890, 1420, 1780, 2059, 2581, 4118, 5162, 6319, 8236, 10295, 10324, 12638, 12905, 20590, 25276, 25810, 31595, 41180, 51620, 63190, 126380, 183251, 366502, 733004, 916255, 1832510, 3665020]

約数ペア:

[(1, 3665020), (2, 1832510), (4, 916255), (5, 733004), (10, 366502), (20, 183251), (29, 126380), (58, 63190), (71, 51620), (89, 41180), (116, 31595), (142, 25810), (145, 25276), (178, 20590), (284, 12905), (290, 12638), (355, 10324), (356, 10295), (445, 8236), (580, 6319), (710, 5162), (890, 4118), (1420, 2581), (1780, 2059)]