177795020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{1523}}^1$

素因数の和:1994

約数の個数: 48

約数和(自身を含む): 403250400

約数和(自身を除く): 225455380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 449, 898, 1523, 1796, 2245, 3046, 4490, 5837, 6092, 7615, 8980, 11674, 15230, 19799, 23348, 29185, 30460, 39598, 58370, 79196, 98995, 116740, 197990, 395980, 683827, 1367654, 2735308, 3419135, 6838270, 8889751, 13676540, 17779502, 35559004, 44448755, 88897510, 177795020]

約数ペア:

[(1, 177795020), (2, 88897510), (4, 44448755), (5, 35559004), (10, 17779502), (13, 13676540), (20, 8889751), (26, 6838270), (52, 3419135), (65, 2735308), (130, 1367654), (260, 683827), (449, 395980), (898, 197990), (1523, 116740), (1796, 98995), (2245, 79196), (3046, 58370), (4490, 39598), (5837, 30460), (6092, 29185), (7615, 23348), (8980, 19799), (11674, 15230)]