171297320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{138143}}^1$

素因数の和:138185

約数の個数: 32

約数和(自身を含む): 397854720

約数和(自身を除く): 226557400

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 138143, 276286, 552572, 690715, 1105144, 1381430, 2762860, 4282433, 5525720, 8564866, 17129732, 21412165, 34259464, 42824330, 85648660, 171297320]

約数ペア:

[(1, 171297320), (2, 85648660), (4, 42824330), (5, 34259464), (8, 21412165), (10, 17129732), (20, 8564866), (31, 5525720), (40, 4282433), (62, 2762860), (124, 1381430), (155, 1105144), (248, 690715), (310, 552572), (620, 276286), (1240, 138143)]