1904899840

素因数分解:

$2^8\times 5^1\times {\mathrm{157}}^1\times {\mathrm{9479}}^1$

素因数の和:9657

約数の個数: 72

約数和(自身を含む): 4592377440

約数和(自身を除く): 2687477600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 157, 160, 256, 314, 320, 628, 640, 785, 1256, 1280, 1570, 2512, 3140, 5024, 6280, 9479, 10048, 12560, 18958, 20096, 25120, 37916, 40192, 47395, 50240, 75832, 94790, 100480, 151664, 189580, 200960, 303328, 379160, 606656, 758320, 1213312, 1488203, 1516640, 2426624, 2976406, 3033280, 5952812, 6066560, 7441015, 11905624, 12133120, 14882030, 23811248, 29764060, 47622496, 59528120, 95244992, 119056240, 190489984, 238112480, 380979968, 476224960, 952449920, 1904899840]

約数ペア:

[(1, 1904899840), (2, 952449920), (4, 476224960), (5, 380979968), (8, 238112480), (10, 190489984), (16, 119056240), (20, 95244992), (32, 59528120), (40, 47622496), (64, 29764060), (80, 23811248), (128, 14882030), (157, 12133120), (160, 11905624), (256, 7441015), (314, 6066560), (320, 5952812), (628, 3033280), (640, 2976406), (785, 2426624), (1256, 1516640), (1280, 1488203), (1570, 1213312), (2512, 758320), (3140, 606656), (5024, 379160), (6280, 303328), (9479, 200960), (10048, 189580), (12560, 151664), (18958, 100480), (20096, 94790), (25120, 75832), (37916, 50240), (40192, 47395)]