850996720

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{31013}}^1$

素因数の和:31047

約数の個数: 80

約数和(自身を含む): 2307441600

約数和(自身を除く): 1456444880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1372, 1715, 1960, 2744, 3430, 3920, 5488, 6860, 13720, 27440, 31013, 62026, 124052, 155065, 217091, 248104, 310130, 434182, 496208, 620260, 868364, 1085455, 1240520, 1519637, 1736728, 2170910, 2481040, 3039274, 3473456, 4341820, 6078548, 7598185, 8683640, 10637459, 12157096, 15196370, 17367280, 21274918, 24314192, 30392740, 42549836, 53187295, 60785480, 85099672, 106374590, 121570960, 170199344, 212749180, 425498360, 850996720]

約数ペア:

[(1, 850996720), (2, 425498360), (4, 212749180), (5, 170199344), (7, 121570960), (8, 106374590), (10, 85099672), (14, 60785480), (16, 53187295), (20, 42549836), (28, 30392740), (35, 24314192), (40, 21274918), (49, 17367280), (56, 15196370), (70, 12157096), (80, 10637459), (98, 8683640), (112, 7598185), (140, 6078548), (196, 4341820), (245, 3473456), (280, 3039274), (343, 2481040), (392, 2170910), (490, 1736728), (560, 1519637), (686, 1240520), (784, 1085455), (980, 868364), (1372, 620260), (1715, 496208), (1960, 434182), (2744, 310130), (3430, 248104), (3920, 217091), (5488, 155065), (6860, 124052), (13720, 62026), (27440, 31013)]