2519955580

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{233}}^1\times {\mathrm{643}}^1$

素因数の和:943

約数の個数: 72

約数和(自身を含む): 5512761072

約数和(自身を除く): 2992805492

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 233, 290, 466, 580, 643, 841, 932, 1165, 1286, 1682, 2330, 2572, 3215, 3364, 4205, 4660, 6430, 6757, 8410, 12860, 13514, 16820, 18647, 27028, 33785, 37294, 67570, 74588, 93235, 135140, 149819, 186470, 195953, 299638, 372940, 391906, 540763, 599276, 749095, 783812, 979765, 1081526, 1498190, 1959530, 2163052, 2703815, 2996380, 3919060, 4344751, 5407630, 8689502, 10815260, 17379004, 21723755, 43447510, 86895020, 125997779, 251995558, 503991116, 629988895, 1259977790, 2519955580]

約数ペア:

[(1, 2519955580), (2, 1259977790), (4, 629988895), (5, 503991116), (10, 251995558), (20, 125997779), (29, 86895020), (58, 43447510), (116, 21723755), (145, 17379004), (233, 10815260), (290, 8689502), (466, 5407630), (580, 4344751), (643, 3919060), (841, 2996380), (932, 2703815), (1165, 2163052), (1286, 1959530), (1682, 1498190), (2330, 1081526), (2572, 979765), (3215, 783812), (3364, 749095), (4205, 599276), (4660, 540763), (6430, 391906), (6757, 372940), (8410, 299638), (12860, 195953), (13514, 186470), (16820, 149819), (18647, 135140), (27028, 93235), (33785, 74588), (37294, 67570)]