138448520

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{10091}}^1$

素因数の和:10123

約数の個数: 64

約数和(自身を含む): 363312000

約数和(自身を除く): 224863480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 3430, 6860, 10091, 13720, 20182, 40364, 50455, 70637, 80728, 100910, 141274, 201820, 282548, 353185, 403640, 494459, 565096, 706370, 988918, 1412740, 1977836, 2472295, 2825480, 3461213, 3955672, 4944590, 6922426, 9889180, 13844852, 17306065, 19778360, 27689704, 34612130, 69224260, 138448520]

約数ペア:

[(1, 138448520), (2, 69224260), (4, 34612130), (5, 27689704), (7, 19778360), (8, 17306065), (10, 13844852), (14, 9889180), (20, 6922426), (28, 4944590), (35, 3955672), (40, 3461213), (49, 2825480), (56, 2472295), (70, 1977836), (98, 1412740), (140, 988918), (196, 706370), (245, 565096), (280, 494459), (343, 403640), (392, 353185), (490, 282548), (686, 201820), (980, 141274), (1372, 100910), (1715, 80728), (1960, 70637), (2744, 50455), (3430, 40364), (6860, 20182), (10091, 13720)]