209999040

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{218749}}^1$

素因数の和:218769

約数の個数: 56

約数和(自身を含む): 666750000

約数和(自身を除く): 456750960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 218749, 437498, 656247, 874996, 1093745, 1312494, 1749992, 2187490, 2624988, 3281235, 3499984, 4374980, 5249976, 6562470, 6999968, 8749960, 10499952, 13124940, 13999936, 17499920, 20999904, 26249880, 34999840, 41999808, 52499760, 69999680, 104999520, 209999040]

約数ペア:

[(1, 209999040), (2, 104999520), (3, 69999680), (4, 52499760), (5, 41999808), (6, 34999840), (8, 26249880), (10, 20999904), (12, 17499920), (15, 13999936), (16, 13124940), (20, 10499952), (24, 8749960), (30, 6999968), (32, 6562470), (40, 5249976), (48, 4374980), (60, 3499984), (64, 3281235), (80, 2624988), (96, 2187490), (120, 1749992), (160, 1312494), (192, 1093745), (240, 874996), (320, 656247), (480, 437498), (960, 218749)]