54841780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{523}}^1$

素因数の和:653

約数の個数: 72

約数和(自身を含む): 135481248

約数和(自身を除く): 80639468

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 107, 140, 196, 214, 245, 428, 490, 523, 535, 749, 980, 1046, 1070, 1498, 2092, 2140, 2615, 2996, 3661, 3745, 5230, 5243, 7322, 7490, 10460, 10486, 14644, 14980, 18305, 20972, 25627, 26215, 36610, 51254, 52430, 55961, 73220, 102508, 104860, 111922, 128135, 223844, 256270, 279805, 391727, 512540, 559610, 783454, 1119220, 1566908, 1958635, 2742089, 3917270, 5484178, 7834540, 10968356, 13710445, 27420890, 54841780]

約数ペア:

[(1, 54841780), (2, 27420890), (4, 13710445), (5, 10968356), (7, 7834540), (10, 5484178), (14, 3917270), (20, 2742089), (28, 1958635), (35, 1566908), (49, 1119220), (70, 783454), (98, 559610), (107, 512540), (140, 391727), (196, 279805), (214, 256270), (245, 223844), (428, 128135), (490, 111922), (523, 104860), (535, 102508), (749, 73220), (980, 55961), (1046, 52430), (1070, 51254), (1498, 36610), (2092, 26215), (2140, 25627), (2615, 20972), (2996, 18305), (3661, 14980), (3745, 14644), (5230, 10486), (5243, 10460), (7322, 7490)]