199754520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{599}}^1$

素因数の和:1017

約数の個数: 128

約数和(自身を含む): 687744000

約数和(自身を除く): 487989480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 397, 420, 599, 794, 840, 1191, 1198, 1588, 1797, 1985, 2382, 2396, 2779, 2995, 3176, 3594, 3970, 4193, 4764, 4792, 5558, 5955, 5990, 7188, 7940, 8337, 8386, 8985, 9528, 11116, 11910, 11980, 12579, 13895, 14376, 15880, 16674, 16772, 17970, 20965, 22232, 23820, 23960, 25158, 27790, 33348, 33544, 35940, 41685, 41930, 47640, 50316, 55580, 62895, 66696, 71880, 83370, 83860, 100632, 111160, 125790, 166740, 167720, 237803, 251580, 333480, 475606, 503160, 713409, 951212, 1189015, 1426818, 1664621, 1902424, 2378030, 2853636, 3329242, 3567045, 4756060, 4993863, 5707272, 6658484, 7134090, 8323105, 9512120, 9987726, 13316968, 14268180, 16646210, 19975452, 24969315, 28536360, 33292420, 39950904, 49938630, 66584840, 99877260, 199754520]

約数ペア:

[(1, 199754520), (2, 99877260), (3, 66584840), (4, 49938630), (5, 39950904), (6, 33292420), (7, 28536360), (8, 24969315), (10, 19975452), (12, 16646210), (14, 14268180), (15, 13316968), (20, 9987726), (21, 9512120), (24, 8323105), (28, 7134090), (30, 6658484), (35, 5707272), (40, 4993863), (42, 4756060), (56, 3567045), (60, 3329242), (70, 2853636), (84, 2378030), (105, 1902424), (120, 1664621), (140, 1426818), (168, 1189015), (210, 951212), (280, 713409), (397, 503160), (420, 475606), (599, 333480), (794, 251580), (840, 237803), (1191, 167720), (1198, 166740), (1588, 125790), (1797, 111160), (1985, 100632), (2382, 83860), (2396, 83370), (2779, 71880), (2995, 66696), (3176, 62895), (3594, 55580), (3970, 50316), (4193, 47640), (4764, 41930), (4792, 41685), (5558, 35940), (5955, 33544), (5990, 33348), (7188, 27790), (7940, 25158), (8337, 23960), (8386, 23820), (8985, 22232), (9528, 20965), (11116, 17970), (11910, 16772), (11980, 16674), (12579, 15880), (13895, 14376)]