171823820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{8237}}^1$

素因数の和:8402

約数の個数: 48

約数和(自身を含む): 415195200

約数和(自身を除く): 243371380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1490, 2086, 2980, 4172, 5215, 8237, 10430, 16474, 20860, 32948, 41185, 57659, 82370, 115318, 164740, 230636, 288295, 576590, 1153180, 1227313, 2454626, 4909252, 6136565, 8591191, 12273130, 17182382, 24546260, 34364764, 42955955, 85911910, 171823820]

約数ペア:

[(1, 171823820), (2, 85911910), (4, 42955955), (5, 34364764), (7, 24546260), (10, 17182382), (14, 12273130), (20, 8591191), (28, 6136565), (35, 4909252), (70, 2454626), (140, 1227313), (149, 1153180), (298, 576590), (596, 288295), (745, 230636), (1043, 164740), (1490, 115318), (2086, 82370), (2980, 57659), (4172, 41185), (5215, 32948), (8237, 20860), (10430, 16474)]