30885800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:267

約数の個数: 96

約数和(自身を含む): 79682400

約数和(自身を除く): 48796600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 101, 110, 139, 200, 202, 220, 275, 278, 404, 440, 505, 550, 556, 695, 808, 1010, 1100, 1111, 1112, 1390, 1529, 2020, 2200, 2222, 2525, 2780, 3058, 3475, 4040, 4444, 5050, 5555, 5560, 6116, 6950, 7645, 8888, 10100, 11110, 12232, 13900, 14039, 15290, 20200, 22220, 27775, 27800, 28078, 30580, 38225, 44440, 55550, 56156, 61160, 70195, 76450, 111100, 112312, 140390, 152900, 154429, 222200, 280780, 305800, 308858, 350975, 561560, 617716, 701950, 772145, 1235432, 1403900, 1544290, 2807800, 3088580, 3860725, 6177160, 7721450, 15442900, 30885800]

約数ペア:

[(1, 30885800), (2, 15442900), (4, 7721450), (5, 6177160), (8, 3860725), (10, 3088580), (11, 2807800), (20, 1544290), (22, 1403900), (25, 1235432), (40, 772145), (44, 701950), (50, 617716), (55, 561560), (88, 350975), (100, 308858), (101, 305800), (110, 280780), (139, 222200), (200, 154429), (202, 152900), (220, 140390), (275, 112312), (278, 111100), (404, 76450), (440, 70195), (505, 61160), (550, 56156), (556, 55550), (695, 44440), (808, 38225), (1010, 30580), (1100, 28078), (1111, 27800), (1112, 27775), (1390, 22220), (1529, 20200), (2020, 15290), (2200, 14039), (2222, 13900), (2525, 12232), (2780, 11110), (3058, 10100), (3475, 8888), (4040, 7645), (4444, 6950), (5050, 6116), (5555, 5560)]