291244240

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{74297}}^1$

素因数の和:74324

約数の個数: 60

約数和(自身を含む): 787707396

約数和(自身を除く): 496463156

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 74297, 148594, 297188, 371485, 520079, 594376, 742970, 1040158, 1188752, 1485940, 2080316, 2600395, 2971880, 3640553, 4160632, 5200790, 5943760, 7281106, 8321264, 10401580, 14562212, 18202765, 20803160, 29124424, 36405530, 41606320, 58248848, 72811060, 145622120, 291244240]

約数ペア:

[(1, 291244240), (2, 145622120), (4, 72811060), (5, 58248848), (7, 41606320), (8, 36405530), (10, 29124424), (14, 20803160), (16, 18202765), (20, 14562212), (28, 10401580), (35, 8321264), (40, 7281106), (49, 5943760), (56, 5200790), (70, 4160632), (80, 3640553), (98, 2971880), (112, 2600395), (140, 2080316), (196, 1485940), (245, 1188752), (280, 1040158), (392, 742970), (490, 594376), (560, 520079), (784, 371485), (980, 297188), (1960, 148594), (3920, 74297)]