383080

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:229

約数の個数: 32

約数和(自身を含む): 881640

約数和(自身を除く): 498560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 157, 244, 305, 314, 488, 610, 628, 785, 1220, 1256, 1570, 2440, 3140, 6280, 9577, 19154, 38308, 47885, 76616, 95770, 191540, 383080]

約数ペア:

[(1, 383080), (2, 191540), (4, 95770), (5, 76616), (8, 47885), (10, 38308), (20, 19154), (40, 9577), (61, 6280), (122, 3140), (157, 2440), (244, 1570), (305, 1256), (314, 1220), (488, 785), (610, 628)]