30778000

素因数分解:

$2^4\times 5^3\times {\mathrm{11}}^1\times {\mathrm{1399}}^1$

素因数の和:1433

約数の個数: 80

約数和(自身を含む): 81244800

約数和(自身を除く): 50466800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 125, 176, 200, 220, 250, 275, 400, 440, 500, 550, 880, 1000, 1100, 1375, 1399, 2000, 2200, 2750, 2798, 4400, 5500, 5596, 6995, 11000, 11192, 13990, 15389, 22000, 22384, 27980, 30778, 34975, 55960, 61556, 69950, 76945, 111920, 123112, 139900, 153890, 174875, 246224, 279800, 307780, 349750, 384725, 559600, 615560, 699500, 769450, 1231120, 1399000, 1538900, 1923625, 2798000, 3077800, 3847250, 6155600, 7694500, 15389000, 30778000]

約数ペア:

[(1, 30778000), (2, 15389000), (4, 7694500), (5, 6155600), (8, 3847250), (10, 3077800), (11, 2798000), (16, 1923625), (20, 1538900), (22, 1399000), (25, 1231120), (40, 769450), (44, 699500), (50, 615560), (55, 559600), (80, 384725), (88, 349750), (100, 307780), (110, 279800), (125, 246224), (176, 174875), (200, 153890), (220, 139900), (250, 123112), (275, 111920), (400, 76945), (440, 69950), (500, 61556), (550, 55960), (880, 34975), (1000, 30778), (1100, 27980), (1375, 22384), (1399, 22000), (2000, 15389), (2200, 13990), (2750, 11192), (2798, 11000), (4400, 6995), (5500, 5596)]