2019945497870

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{78262127}}^1$

素因数の和:78262252

約数の個数: 32

約数和(自身を含む): 3803539420800

約数和(自身を除く): 1783593922930

約数列:

[1, 2, 5, 10, 29, 58, 89, 145, 178, 290, 445, 890, 2581, 5162, 12905, 25810, 78262127, 156524254, 391310635, 782621270, 2269601683, 4539203366, 6965329303, 11348008415, 13930658606, 22696016830, 34826646515, 69653293030, 201994549787, 403989099574, 1009972748935, 2019945497870]

約数ペア:

[(1, 2019945497870), (2, 1009972748935), (5, 403989099574), (10, 201994549787), (29, 69653293030), (58, 34826646515), (89, 22696016830), (145, 13930658606), (178, 11348008415), (290, 6965329303), (445, 4539203366), (890, 2269601683), (2581, 782621270), (5162, 391310635), (12905, 156524254), (25810, 78262127)]