1871660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{461}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 4656960

約数和(自身を除く): 2785300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 461, 580, 812, 922, 1015, 1844, 2030, 2305, 3227, 4060, 4610, 6454, 9220, 12908, 13369, 16135, 26738, 32270, 53476, 64540, 66845, 93583, 133690, 187166, 267380, 374332, 467915, 935830, 1871660]

約数ペア:

[(1, 1871660), (2, 935830), (4, 467915), (5, 374332), (7, 267380), (10, 187166), (14, 133690), (20, 93583), (28, 66845), (29, 64540), (35, 53476), (58, 32270), (70, 26738), (116, 16135), (140, 13369), (145, 12908), (203, 9220), (290, 6454), (406, 4610), (461, 4060), (580, 3227), (812, 2305), (922, 2030), (1015, 1844)]