1918428880

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1\times {\mathrm{3919}}^1$

素因数の和:4172

約数の個数: 80

約数和(自身を含む): 4637203200

約数和(自身を除く): 2718774320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 211, 232, 290, 422, 464, 580, 844, 1055, 1160, 1688, 2110, 2320, 3376, 3919, 4220, 6119, 7838, 8440, 12238, 15676, 16880, 19595, 24476, 30595, 31352, 39190, 48952, 61190, 62704, 78380, 97904, 113651, 122380, 156760, 227302, 244760, 313520, 454604, 489520, 568255, 826909, 909208, 1136510, 1653818, 1818416, 2273020, 3307636, 4134545, 4546040, 6615272, 8269090, 9092080, 13230544, 16538180, 23980361, 33076360, 47960722, 66152720, 95921444, 119901805, 191842888, 239803610, 383685776, 479607220, 959214440, 1918428880]

約数ペア:

[(1, 1918428880), (2, 959214440), (4, 479607220), (5, 383685776), (8, 239803610), (10, 191842888), (16, 119901805), (20, 95921444), (29, 66152720), (40, 47960722), (58, 33076360), (80, 23980361), (116, 16538180), (145, 13230544), (211, 9092080), (232, 8269090), (290, 6615272), (422, 4546040), (464, 4134545), (580, 3307636), (844, 2273020), (1055, 1818416), (1160, 1653818), (1688, 1136510), (2110, 909208), (2320, 826909), (3376, 568255), (3919, 489520), (4220, 454604), (6119, 313520), (7838, 244760), (8440, 227302), (12238, 156760), (15676, 122380), (16880, 113651), (19595, 97904), (24476, 78380), (30595, 62704), (31352, 61190), (39190, 48952)]