816868700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{5399}}^1$

素因数の和:5519

約数の個数: 72

約数和(自身を含む): 1898316000

約数和(自身を除く): 1081447300

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 89, 100, 170, 178, 340, 356, 425, 445, 850, 890, 1513, 1700, 1780, 2225, 3026, 4450, 5399, 6052, 7565, 8900, 10798, 15130, 21596, 26995, 30260, 37825, 53990, 75650, 91783, 107980, 134975, 151300, 183566, 269950, 367132, 458915, 480511, 539900, 917830, 961022, 1835660, 1922044, 2294575, 2402555, 4589150, 4805110, 8168687, 9178300, 9610220, 12012775, 16337374, 24025550, 32674748, 40843435, 48051100, 81686870, 163373740, 204217175, 408434350, 816868700]

約数ペア:

[(1, 816868700), (2, 408434350), (4, 204217175), (5, 163373740), (10, 81686870), (17, 48051100), (20, 40843435), (25, 32674748), (34, 24025550), (50, 16337374), (68, 12012775), (85, 9610220), (89, 9178300), (100, 8168687), (170, 4805110), (178, 4589150), (340, 2402555), (356, 2294575), (425, 1922044), (445, 1835660), (850, 961022), (890, 917830), (1513, 539900), (1700, 480511), (1780, 458915), (2225, 367132), (3026, 269950), (4450, 183566), (5399, 151300), (6052, 134975), (7565, 107980), (8900, 91783), (10798, 75650), (15130, 53990), (21596, 37825), (26995, 30260)]