1549173860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{39989}}^1$

素因数の和:40160

約数の個数: 48

約数和(自身を含む): 3527118000

約数和(自身を除く): 1977944140

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, 39989, 79978, 159956, 199945, 399890, 519857, 799780, 1039714, 2079428, 2599285, 5198570, 5958361, 10397140, 11916722, 23833444, 29791805, 59583610, 77458693, 119167220, 154917386, 309834772, 387293465, 774586930, 1549173860]

約数ペア:

[(1, 1549173860), (2, 774586930), (4, 387293465), (5, 309834772), (10, 154917386), (13, 119167220), (20, 77458693), (26, 59583610), (52, 29791805), (65, 23833444), (130, 11916722), (149, 10397140), (260, 5958361), (298, 5198570), (596, 2599285), (745, 2079428), (1490, 1039714), (1937, 799780), (2980, 519857), (3874, 399890), (7748, 199945), (9685, 159956), (19370, 79978), (38740, 39989)]