28443000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{499}}^1$

素因数の和:542

約数の個数: 128

約数和(自身を含む): 93600000

約数和(自身を除く): 65157000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 25, 30, 38, 40, 50, 57, 60, 75, 76, 95, 100, 114, 120, 125, 150, 152, 190, 200, 228, 250, 285, 300, 375, 380, 456, 475, 499, 500, 570, 600, 750, 760, 950, 998, 1000, 1140, 1425, 1497, 1500, 1900, 1996, 2280, 2375, 2495, 2850, 2994, 3000, 3800, 3992, 4750, 4990, 5700, 5988, 7125, 7485, 9481, 9500, 9980, 11400, 11976, 12475, 14250, 14970, 18962, 19000, 19960, 24950, 28443, 28500, 29940, 37425, 37924, 47405, 49900, 56886, 57000, 59880, 62375, 74850, 75848, 94810, 99800, 113772, 124750, 142215, 149700, 187125, 189620, 227544, 237025, 249500, 284430, 299400, 374250, 379240, 474050, 499000, 568860, 711075, 748500, 948100, 1137720, 1185125, 1422150, 1497000, 1896200, 2370250, 2844300, 3555375, 4740500, 5688600, 7110750, 9481000, 14221500, 28443000]

約数ペア:

[(1, 28443000), (2, 14221500), (3, 9481000), (4, 7110750), (5, 5688600), (6, 4740500), (8, 3555375), (10, 2844300), (12, 2370250), (15, 1896200), (19, 1497000), (20, 1422150), (24, 1185125), (25, 1137720), (30, 948100), (38, 748500), (40, 711075), (50, 568860), (57, 499000), (60, 474050), (75, 379240), (76, 374250), (95, 299400), (100, 284430), (114, 249500), (120, 237025), (125, 227544), (150, 189620), (152, 187125), (190, 149700), (200, 142215), (228, 124750), (250, 113772), (285, 99800), (300, 94810), (375, 75848), (380, 74850), (456, 62375), (475, 59880), (499, 57000), (500, 56886), (570, 49900), (600, 47405), (750, 37924), (760, 37425), (950, 29940), (998, 28500), (1000, 28443), (1140, 24950), (1425, 19960), (1497, 19000), (1500, 18962), (1900, 14970), (1996, 14250), (2280, 12475), (2375, 11976), (2495, 11400), (2850, 9980), (2994, 9500), (3000, 9481), (3800, 7485), (3992, 7125), (4750, 5988), (4990, 5700)]