210822320

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{85009}}^1$

素因数の和:85053

約数の個数: 40

約数和(自身を含む): 505979520

約数和(自身を除く): 295157200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 85009, 170018, 340036, 425045, 680072, 850090, 1360144, 1700180, 2635279, 3400360, 5270558, 6800720, 10541116, 13176395, 21082232, 26352790, 42164464, 52705580, 105411160, 210822320]

約数ペア:

[(1, 210822320), (2, 105411160), (4, 52705580), (5, 42164464), (8, 26352790), (10, 21082232), (16, 13176395), (20, 10541116), (31, 6800720), (40, 5270558), (62, 3400360), (80, 2635279), (124, 1700180), (155, 1360144), (248, 850090), (310, 680072), (496, 425045), (620, 340036), (1240, 170018), (2480, 85009)]