71509540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{829}}^1$

素因数の和:1084

約数の個数: 48

約数和(自身を含む): 158961600

約数和(自身を除く): 87452060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 227, 380, 454, 829, 908, 1135, 1658, 2270, 3316, 4145, 4313, 4540, 8290, 8626, 15751, 16580, 17252, 21565, 31502, 43130, 63004, 78755, 86260, 157510, 188183, 315020, 376366, 752732, 940915, 1881830, 3575477, 3763660, 7150954, 14301908, 17877385, 35754770, 71509540]

約数ペア:

[(1, 71509540), (2, 35754770), (4, 17877385), (5, 14301908), (10, 7150954), (19, 3763660), (20, 3575477), (38, 1881830), (76, 940915), (95, 752732), (190, 376366), (227, 315020), (380, 188183), (454, 157510), (829, 86260), (908, 78755), (1135, 63004), (1658, 43130), (2270, 31502), (3316, 21565), (4145, 17252), (4313, 16580), (4540, 15751), (8290, 8626)]