78464380

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{937}}^1$

素因数の和:1078

約数の個数: 48

約数和(自身を含む): 170190720

約数和(自身を除く): 91726340

約数列:

[1, 2, 4, 5, 10, 20, 53, 79, 106, 158, 212, 265, 316, 395, 530, 790, 937, 1060, 1580, 1874, 3748, 4187, 4685, 8374, 9370, 16748, 18740, 20935, 41870, 49661, 74023, 83740, 99322, 148046, 198644, 248305, 296092, 370115, 496610, 740230, 993220, 1480460, 3923219, 7846438, 15692876, 19616095, 39232190, 78464380]

約数ペア:

[(1, 78464380), (2, 39232190), (4, 19616095), (5, 15692876), (10, 7846438), (20, 3923219), (53, 1480460), (79, 993220), (106, 740230), (158, 496610), (212, 370115), (265, 296092), (316, 248305), (395, 198644), (530, 148046), (790, 99322), (937, 83740), (1060, 74023), (1580, 49661), (1874, 41870), (3748, 20935), (4187, 18740), (4685, 16748), (8374, 9370)]