1985820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1439}}^1$

素因数の和:1474

約数の個数: 48

約数和(自身を含む): 5806080

約数和(自身を除く): 3820260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 1439, 2878, 4317, 5756, 7195, 8634, 14390, 17268, 21585, 28780, 33097, 43170, 66194, 86340, 99291, 132388, 165485, 198582, 330970, 397164, 496455, 661940, 992910, 1985820]

約数ペア:

[(1, 1985820), (2, 992910), (3, 661940), (4, 496455), (5, 397164), (6, 330970), (10, 198582), (12, 165485), (15, 132388), (20, 99291), (23, 86340), (30, 66194), (46, 43170), (60, 33097), (69, 28780), (92, 21585), (115, 17268), (138, 14390), (230, 8634), (276, 7195), (345, 5756), (460, 4317), (690, 2878), (1380, 1439)]