28694750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{863}}^1$

素因数の和:906

約数の個数: 64

約数和(自身を含む): 64696320

約数和(自身を除く): 36001570

約数列:

[1, 2, 5, 7, 10, 14, 19, 25, 35, 38, 50, 70, 95, 125, 133, 175, 190, 250, 266, 350, 475, 665, 863, 875, 950, 1330, 1726, 1750, 2375, 3325, 4315, 4750, 6041, 6650, 8630, 12082, 16397, 16625, 21575, 30205, 32794, 33250, 43150, 60410, 81985, 107875, 114779, 151025, 163970, 215750, 229558, 302050, 409925, 573895, 755125, 819850, 1147790, 1510250, 2049625, 2869475, 4099250, 5738950, 14347375, 28694750]

約数ペア:

[(1, 28694750), (2, 14347375), (5, 5738950), (7, 4099250), (10, 2869475), (14, 2049625), (19, 1510250), (25, 1147790), (35, 819850), (38, 755125), (50, 573895), (70, 409925), (95, 302050), (125, 229558), (133, 215750), (175, 163970), (190, 151025), (250, 114779), (266, 107875), (350, 81985), (475, 60410), (665, 43150), (863, 33250), (875, 32794), (950, 30205), (1330, 21575), (1726, 16625), (1750, 16397), (2375, 12082), (3325, 8630), (4315, 6650), (4750, 6041)]