218287120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{88019}}^1$

素因数の和:88063

約数の個数: 40

約数和(自身を含む): 523895040

約数和(自身を除く): 305607920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 88019, 176038, 352076, 440095, 704152, 880190, 1408304, 1760380, 2728589, 3520760, 5457178, 7041520, 10914356, 13642945, 21828712, 27285890, 43657424, 54571780, 109143560, 218287120]

約数ペア:

[(1, 218287120), (2, 109143560), (4, 54571780), (5, 43657424), (8, 27285890), (10, 21828712), (16, 13642945), (20, 10914356), (31, 7041520), (40, 5457178), (62, 3520760), (80, 2728589), (124, 1760380), (155, 1408304), (248, 880190), (310, 704152), (496, 440095), (620, 352076), (1240, 176038), (2480, 88019)]