31001413820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{800243}}^1$

素因数の和:800414

約数の個数: 48

約数和(自身を含む): 70581520800

約数和(自身を除く): 39580106980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 149, 260, 298, 596, 745, 1490, 1937, 2980, 3874, 7748, 9685, 19370, 38740, 800243, 1600486, 3200972, 4001215, 8002430, 10403159, 16004860, 20806318, 41612636, 52015795, 104031590, 119236207, 208063180, 238472414, 476944828, 596181035, 1192362070, 1550070691, 2384724140, 3100141382, 6200282764, 7750353455, 15500706910, 31001413820]

約数ペア:

[(1, 31001413820), (2, 15500706910), (4, 7750353455), (5, 6200282764), (10, 3100141382), (13, 2384724140), (20, 1550070691), (26, 1192362070), (52, 596181035), (65, 476944828), (130, 238472414), (149, 208063180), (260, 119236207), (298, 104031590), (596, 52015795), (745, 41612636), (1490, 20806318), (1937, 16004860), (2980, 10403159), (3874, 8002430), (7748, 4001215), (9685, 3200972), (19370, 1600486), (38740, 800243)]