1559140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{373}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 3769920

約数和(自身を除く): 2210780

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 373, 380, 418, 746, 836, 1045, 1492, 1865, 2090, 3730, 4103, 4180, 7087, 7460, 8206, 14174, 16412, 20515, 28348, 35435, 41030, 70870, 77957, 82060, 141740, 155914, 311828, 389785, 779570, 1559140]

約数ペア:

[(1, 1559140), (2, 779570), (4, 389785), (5, 311828), (10, 155914), (11, 141740), (19, 82060), (20, 77957), (22, 70870), (38, 41030), (44, 35435), (55, 28348), (76, 20515), (95, 16412), (110, 14174), (190, 8206), (209, 7460), (220, 7087), (373, 4180), (380, 4103), (418, 3730), (746, 2090), (836, 1865), (1045, 1492)]