199339980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{474619}}^1$

素因数の和:474638

約数の個数: 48

約数和(自身を含む): 637889280

約数和(自身を除く): 438549300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 474619, 949238, 1423857, 1898476, 2373095, 2847714, 3322333, 4746190, 5695428, 6644666, 7119285, 9492380, 9966999, 13289332, 14238570, 16611665, 19933998, 28477140, 33223330, 39867996, 49834995, 66446660, 99669990, 199339980]

約数ペア:

[(1, 199339980), (2, 99669990), (3, 66446660), (4, 49834995), (5, 39867996), (6, 33223330), (7, 28477140), (10, 19933998), (12, 16611665), (14, 14238570), (15, 13289332), (20, 9966999), (21, 9492380), (28, 7119285), (30, 6644666), (35, 5695428), (42, 4746190), (60, 3322333), (70, 2847714), (84, 2373095), (105, 1898476), (140, 1423857), (210, 949238), (420, 474619)]