243553240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{23509}}^1$

素因数の和:23564

約数の個数: 64

約数和(自身を含む): 643233600

約数和(自身を除く): 399680360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 1036, 1295, 1480, 2072, 2590, 5180, 10360, 23509, 47018, 94036, 117545, 164563, 188072, 235090, 329126, 470180, 658252, 822815, 869833, 940360, 1316504, 1645630, 1739666, 3291260, 3479332, 4349165, 6088831, 6582520, 6958664, 8698330, 12177662, 17396660, 24355324, 30444155, 34793320, 48710648, 60888310, 121776620, 243553240]

約数ペア:

[(1, 243553240), (2, 121776620), (4, 60888310), (5, 48710648), (7, 34793320), (8, 30444155), (10, 24355324), (14, 17396660), (20, 12177662), (28, 8698330), (35, 6958664), (37, 6582520), (40, 6088831), (56, 4349165), (70, 3479332), (74, 3291260), (140, 1739666), (148, 1645630), (185, 1316504), (259, 940360), (280, 869833), (296, 822815), (370, 658252), (518, 470180), (740, 329126), (1036, 235090), (1295, 188072), (1480, 164563), (2072, 117545), (2590, 94036), (5180, 47018), (10360, 23509)]