4905040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{461}}^1$

素因数の和:500

約数の個数: 80

約数和(自身を含む): 13749120

約数和(自身を除く): 8844080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 461, 532, 560, 665, 760, 922, 1064, 1330, 1520, 1844, 2128, 2305, 2660, 3227, 3688, 4610, 5320, 6454, 7376, 8759, 9220, 10640, 12908, 16135, 17518, 18440, 25816, 32270, 35036, 36880, 43795, 51632, 61313, 64540, 70072, 87590, 122626, 129080, 140144, 175180, 245252, 258160, 306565, 350360, 490504, 613130, 700720, 981008, 1226260, 2452520, 4905040]

約数ペア:

[(1, 4905040), (2, 2452520), (4, 1226260), (5, 981008), (7, 700720), (8, 613130), (10, 490504), (14, 350360), (16, 306565), (19, 258160), (20, 245252), (28, 175180), (35, 140144), (38, 129080), (40, 122626), (56, 87590), (70, 70072), (76, 64540), (80, 61313), (95, 51632), (112, 43795), (133, 36880), (140, 35036), (152, 32270), (190, 25816), (266, 18440), (280, 17518), (304, 16135), (380, 12908), (461, 10640), (532, 9220), (560, 8759), (665, 7376), (760, 6454), (922, 5320), (1064, 4610), (1330, 3688), (1520, 3227), (1844, 2660), (2128, 2305)]