1802906000

素因数分解:

$2^4\times 5^3\times 7^2\times {\mathrm{18397}}^1$

素因数の和:18434

約数の個数: 120

約数和(自身を含む): 5071445496

約数和(自身を除く): 3268539496

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 125, 140, 175, 196, 200, 245, 250, 280, 350, 392, 400, 490, 500, 560, 700, 784, 875, 980, 1000, 1225, 1400, 1750, 1960, 2000, 2450, 2800, 3500, 3920, 4900, 6125, 7000, 9800, 12250, 14000, 18397, 19600, 24500, 36794, 49000, 73588, 91985, 98000, 128779, 147176, 183970, 257558, 294352, 367940, 459925, 515116, 643895, 735880, 901453, 919850, 1030232, 1287790, 1471760, 1802906, 1839700, 2060464, 2299625, 2575580, 3219475, 3605812, 3679400, 4507265, 4599250, 5151160, 6438950, 7211624, 7358800, 9014530, 9198500, 10302320, 12877900, 14423248, 16097375, 18029060, 18397000, 22536325, 25755800, 32194750, 36058120, 36794000, 45072650, 51511600, 64389500, 72116240, 90145300, 112681625, 128779000, 180290600, 225363250, 257558000, 360581200, 450726500, 901453000, 1802906000]

約数ペア:

[(1, 1802906000), (2, 901453000), (4, 450726500), (5, 360581200), (7, 257558000), (8, 225363250), (10, 180290600), (14, 128779000), (16, 112681625), (20, 90145300), (25, 72116240), (28, 64389500), (35, 51511600), (40, 45072650), (49, 36794000), (50, 36058120), (56, 32194750), (70, 25755800), (80, 22536325), (98, 18397000), (100, 18029060), (112, 16097375), (125, 14423248), (140, 12877900), (175, 10302320), (196, 9198500), (200, 9014530), (245, 7358800), (250, 7211624), (280, 6438950), (350, 5151160), (392, 4599250), (400, 4507265), (490, 3679400), (500, 3605812), (560, 3219475), (700, 2575580), (784, 2299625), (875, 2060464), (980, 1839700), (1000, 1802906), (1225, 1471760), (1400, 1287790), (1750, 1030232), (1960, 919850), (2000, 901453), (2450, 735880), (2800, 643895), (3500, 515116), (3920, 459925), (4900, 367940), (6125, 294352), (7000, 257558), (9800, 183970), (12250, 147176), (14000, 128779), (18397, 98000), (19600, 91985), (24500, 73588), (36794, 49000)]