98641840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{569}}^1$

素因数の和:790

約数の個数: 80

約数和(自身を含む): 251903520

約数和(自身を除く): 153261680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 197, 220, 394, 440, 569, 788, 880, 985, 1138, 1576, 1970, 2167, 2276, 2845, 3152, 3940, 4334, 4552, 5690, 6259, 7880, 8668, 9104, 10835, 11380, 12518, 15760, 17336, 21670, 22760, 25036, 31295, 34672, 43340, 45520, 50072, 62590, 86680, 100144, 112093, 125180, 173360, 224186, 250360, 448372, 500720, 560465, 896744, 1120930, 1233023, 1793488, 2241860, 2466046, 4483720, 4932092, 6165115, 8967440, 9864184, 12330230, 19728368, 24660460, 49320920, 98641840]

約数ペア:

[(1, 98641840), (2, 49320920), (4, 24660460), (5, 19728368), (8, 12330230), (10, 9864184), (11, 8967440), (16, 6165115), (20, 4932092), (22, 4483720), (40, 2466046), (44, 2241860), (55, 1793488), (80, 1233023), (88, 1120930), (110, 896744), (176, 560465), (197, 500720), (220, 448372), (394, 250360), (440, 224186), (569, 173360), (788, 125180), (880, 112093), (985, 100144), (1138, 86680), (1576, 62590), (1970, 50072), (2167, 45520), (2276, 43340), (2845, 34672), (3152, 31295), (3940, 25036), (4334, 22760), (4552, 21670), (5690, 17336), (6259, 15760), (7880, 12518), (8668, 11380), (9104, 10835)]