88889920

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{5669}}^1$

素因数の和:5700

約数の個数: 84

約数和(自身を含む): 246270780

約数和(自身を除く): 157380860

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 784, 980, 1120, 1568, 1960, 2240, 3136, 3920, 5669, 7840, 11338, 15680, 22676, 28345, 39683, 45352, 56690, 79366, 90704, 113380, 158732, 181408, 198415, 226760, 277781, 317464, 362816, 396830, 453520, 555562, 634928, 793660, 907040, 1111124, 1269856, 1388905, 1587320, 1814080, 2222248, 2539712, 2777810, 3174640, 4444496, 5555620, 6349280, 8888992, 11111240, 12698560, 17777984, 22222480, 44444960, 88889920]

約数ペア:

[(1, 88889920), (2, 44444960), (4, 22222480), (5, 17777984), (7, 12698560), (8, 11111240), (10, 8888992), (14, 6349280), (16, 5555620), (20, 4444496), (28, 3174640), (32, 2777810), (35, 2539712), (40, 2222248), (49, 1814080), (56, 1587320), (64, 1388905), (70, 1269856), (80, 1111124), (98, 907040), (112, 793660), (140, 634928), (160, 555562), (196, 453520), (224, 396830), (245, 362816), (280, 317464), (320, 277781), (392, 226760), (448, 198415), (490, 181408), (560, 158732), (784, 113380), (980, 90704), (1120, 79366), (1568, 56690), (1960, 45352), (2240, 39683), (3136, 28345), (3920, 22676), (5669, 15680), (7840, 11338)]