9974440

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{727}}^1$

素因数の和:759

約数の個数: 64

約数和(自身を含む): 26208000

約数和(自身を除く): 16233560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 727, 980, 1372, 1454, 1715, 1960, 2744, 2908, 3430, 3635, 5089, 5816, 6860, 7270, 10178, 13720, 14540, 20356, 25445, 29080, 35623, 40712, 50890, 71246, 101780, 142492, 178115, 203560, 249361, 284984, 356230, 498722, 712460, 997444, 1246805, 1424920, 1994888, 2493610, 4987220, 9974440]

約数ペア:

[(1, 9974440), (2, 4987220), (4, 2493610), (5, 1994888), (7, 1424920), (8, 1246805), (10, 997444), (14, 712460), (20, 498722), (28, 356230), (35, 284984), (40, 249361), (49, 203560), (56, 178115), (70, 142492), (98, 101780), (140, 71246), (196, 50890), (245, 40712), (280, 35623), (343, 29080), (392, 25445), (490, 20356), (686, 14540), (727, 13720), (980, 10178), (1372, 7270), (1454, 6860), (1715, 5816), (1960, 5089), (2744, 3635), (2908, 3430)]