1900128540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{400871}}^1$

素因数の和:400962

約数の個数: 48

約数和(自身を含む): 5387719680

約数和(自身を除く): 3487591140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 316, 395, 474, 790, 948, 1185, 1580, 2370, 4740, 400871, 801742, 1202613, 1603484, 2004355, 2405226, 4008710, 4810452, 6013065, 8017420, 12026130, 24052260, 31668809, 63337618, 95006427, 126675236, 158344045, 190012854, 316688090, 380025708, 475032135, 633376180, 950064270, 1900128540]

約数ペア:

[(1, 1900128540), (2, 950064270), (3, 633376180), (4, 475032135), (5, 380025708), (6, 316688090), (10, 190012854), (12, 158344045), (15, 126675236), (20, 95006427), (30, 63337618), (60, 31668809), (79, 24052260), (158, 12026130), (237, 8017420), (316, 6013065), (395, 4810452), (474, 4008710), (790, 2405226), (948, 2004355), (1185, 1603484), (1580, 1202613), (2370, 801742), (4740, 400871)]