19690350

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{149}}^1\times {\mathrm{881}}^1$

素因数の和:1045

約数の個数: 48

約数和(自身を含む): 49215600

約数和(自身を除く): 29525250

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 149, 150, 298, 447, 745, 881, 894, 1490, 1762, 2235, 2643, 3725, 4405, 4470, 5286, 7450, 8810, 11175, 13215, 22025, 22350, 26430, 44050, 66075, 131269, 132150, 262538, 393807, 656345, 787614, 1312690, 1969035, 3281725, 3938070, 6563450, 9845175, 19690350]

約数ペア:

[(1, 19690350), (2, 9845175), (3, 6563450), (5, 3938070), (6, 3281725), (10, 1969035), (15, 1312690), (25, 787614), (30, 656345), (50, 393807), (75, 262538), (149, 132150), (150, 131269), (298, 66075), (447, 44050), (745, 26430), (881, 22350), (894, 22025), (1490, 13215), (1762, 11175), (2235, 8810), (2643, 7450), (3725, 5286), (4405, 4470)]