343004920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{509}}^1\times {\mathrm{991}}^1$

素因数の和:1528

約数の個数: 64

約数和(自身を含む): 819590400

約数和(自身を除く): 476585480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 509, 680, 991, 1018, 1982, 2036, 2545, 3964, 4072, 4955, 5090, 7928, 8653, 9910, 10180, 16847, 17306, 19820, 20360, 33694, 34612, 39640, 43265, 67388, 69224, 84235, 86530, 134776, 168470, 173060, 336940, 346120, 504419, 673880, 1008838, 2017676, 2522095, 4035352, 5044190, 8575123, 10088380, 17150246, 20176760, 34300492, 42875615, 68600984, 85751230, 171502460, 343004920]

約数ペア:

[(1, 343004920), (2, 171502460), (4, 85751230), (5, 68600984), (8, 42875615), (10, 34300492), (17, 20176760), (20, 17150246), (34, 10088380), (40, 8575123), (68, 5044190), (85, 4035352), (136, 2522095), (170, 2017676), (340, 1008838), (509, 673880), (680, 504419), (991, 346120), (1018, 336940), (1982, 173060), (2036, 168470), (2545, 134776), (3964, 86530), (4072, 84235), (4955, 69224), (5090, 67388), (7928, 43265), (8653, 39640), (9910, 34612), (10180, 33694), (16847, 20360), (17306, 19820)]