90470000

素因数分解:

$2^4\times 5^4\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:220

約数の個数: 100

約数和(自身を含む): 223709640

約数和(自身を除く): 133239640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 83, 100, 109, 125, 166, 200, 218, 250, 332, 400, 415, 436, 500, 545, 625, 664, 830, 872, 1000, 1090, 1250, 1328, 1660, 1744, 2000, 2075, 2180, 2500, 2725, 3320, 4150, 4360, 5000, 5450, 6640, 8300, 8720, 9047, 10000, 10375, 10900, 13625, 16600, 18094, 20750, 21800, 27250, 33200, 36188, 41500, 43600, 45235, 51875, 54500, 68125, 72376, 83000, 90470, 103750, 109000, 136250, 144752, 166000, 180940, 207500, 218000, 226175, 272500, 361880, 415000, 452350, 545000, 723760, 830000, 904700, 1090000, 1130875, 1809400, 2261750, 3618800, 4523500, 5654375, 9047000, 11308750, 18094000, 22617500, 45235000, 90470000]

約数ペア:

[(1, 90470000), (2, 45235000), (4, 22617500), (5, 18094000), (8, 11308750), (10, 9047000), (16, 5654375), (20, 4523500), (25, 3618800), (40, 2261750), (50, 1809400), (80, 1130875), (83, 1090000), (100, 904700), (109, 830000), (125, 723760), (166, 545000), (200, 452350), (218, 415000), (250, 361880), (332, 272500), (400, 226175), (415, 218000), (436, 207500), (500, 180940), (545, 166000), (625, 144752), (664, 136250), (830, 109000), (872, 103750), (1000, 90470), (1090, 83000), (1250, 72376), (1328, 68125), (1660, 54500), (1744, 51875), (2000, 45235), (2075, 43600), (2180, 41500), (2500, 36188), (2725, 33200), (3320, 27250), (4150, 21800), (4360, 20750), (5000, 18094), (5450, 16600), (6640, 13625), (8300, 10900), (8720, 10375), (9047, 10000)]