7447720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{397}}^1$

素因数の和:482

約数の個数: 64

約数和(自身を含む): 19486080

約数和(自身を除く): 12038360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 67, 70, 134, 140, 268, 280, 335, 397, 469, 536, 670, 794, 938, 1340, 1588, 1876, 1985, 2345, 2680, 2779, 3176, 3752, 3970, 4690, 5558, 7940, 9380, 11116, 13895, 15880, 18760, 22232, 26599, 27790, 53198, 55580, 106396, 111160, 132995, 186193, 212792, 265990, 372386, 531980, 744772, 930965, 1063960, 1489544, 1861930, 3723860, 7447720]

約数ペア:

[(1, 7447720), (2, 3723860), (4, 1861930), (5, 1489544), (7, 1063960), (8, 930965), (10, 744772), (14, 531980), (20, 372386), (28, 265990), (35, 212792), (40, 186193), (56, 132995), (67, 111160), (70, 106396), (134, 55580), (140, 53198), (268, 27790), (280, 26599), (335, 22232), (397, 18760), (469, 15880), (536, 13895), (670, 11116), (794, 9380), (938, 7940), (1340, 5558), (1588, 4690), (1876, 3970), (1985, 3752), (2345, 3176), (2680, 2779)]