218749760

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{16673}}^1$

素因数の和:16731

約数の個数: 56

約数和(自身を含む): 533634696

約数和(自身を除く): 314884936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 160, 164, 205, 320, 328, 410, 656, 820, 1312, 1640, 2624, 3280, 6560, 13120, 16673, 33346, 66692, 83365, 133384, 166730, 266768, 333460, 533536, 666920, 683593, 1067072, 1333840, 1367186, 2667680, 2734372, 3417965, 5335360, 5468744, 6835930, 10937488, 13671860, 21874976, 27343720, 43749952, 54687440, 109374880, 218749760]

約数ペア:

[(1, 218749760), (2, 109374880), (4, 54687440), (5, 43749952), (8, 27343720), (10, 21874976), (16, 13671860), (20, 10937488), (32, 6835930), (40, 5468744), (41, 5335360), (64, 3417965), (80, 2734372), (82, 2667680), (160, 1367186), (164, 1333840), (205, 1067072), (320, 683593), (328, 666920), (410, 533536), (656, 333460), (820, 266768), (1312, 166730), (1640, 133384), (2624, 83365), (3280, 66692), (6560, 33346), (13120, 16673)]