1219503460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{142799}}^1$

素因数の和:142876

約数の個数: 48

約数和(自身を含む): 2974809600

約数和(自身を除く): 1755306140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 142799, 285598, 571196, 713995, 999593, 1427990, 1999186, 2855980, 3998372, 4997965, 8710739, 9995930, 17421478, 19991860, 34842956, 43553695, 60975173, 87107390, 121950346, 174214780, 243900692, 304875865, 609751730, 1219503460]

約数ペア:

[(1, 1219503460), (2, 609751730), (4, 304875865), (5, 243900692), (7, 174214780), (10, 121950346), (14, 87107390), (20, 60975173), (28, 43553695), (35, 34842956), (61, 19991860), (70, 17421478), (122, 9995930), (140, 8710739), (244, 4997965), (305, 3998372), (427, 2855980), (610, 1999186), (854, 1427990), (1220, 999593), (1708, 713995), (2135, 571196), (4270, 285598), (8540, 142799)]