489910400

素因数分解:

$2^7\times 5^2\times 7^1\times {\mathrm{21871}}^1$

素因数の和:21902

約数の個数: 96

約数和(自身を含む): 1383185280

約数和(自身を除く): 893274880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 128, 140, 160, 175, 200, 224, 280, 320, 350, 400, 448, 560, 640, 700, 800, 896, 1120, 1400, 1600, 2240, 2800, 3200, 4480, 5600, 11200, 21871, 22400, 43742, 87484, 109355, 153097, 174968, 218710, 306194, 349936, 437420, 546775, 612388, 699872, 765485, 874840, 1093550, 1224776, 1399744, 1530970, 1749680, 2187100, 2449552, 2799488, 3061940, 3499360, 3827425, 4374200, 4899104, 6123880, 6998720, 7654850, 8748400, 9798208, 12247760, 13997440, 15309700, 17496800, 19596416, 24495520, 30619400, 34993600, 48991040, 61238800, 69987200, 97982080, 122477600, 244955200, 489910400]

約数ペア:

[(1, 489910400), (2, 244955200), (4, 122477600), (5, 97982080), (7, 69987200), (8, 61238800), (10, 48991040), (14, 34993600), (16, 30619400), (20, 24495520), (25, 19596416), (28, 17496800), (32, 15309700), (35, 13997440), (40, 12247760), (50, 9798208), (56, 8748400), (64, 7654850), (70, 6998720), (80, 6123880), (100, 4899104), (112, 4374200), (128, 3827425), (140, 3499360), (160, 3061940), (175, 2799488), (200, 2449552), (224, 2187100), (280, 1749680), (320, 1530970), (350, 1399744), (400, 1224776), (448, 1093550), (560, 874840), (640, 765485), (700, 699872), (800, 612388), (896, 546775), (1120, 437420), (1400, 349936), (1600, 306194), (2240, 218710), (2800, 174968), (3200, 153097), (4480, 109355), (5600, 87484), (11200, 43742), (21871, 22400)]