2010321880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1\times {\mathrm{331}}^1$

素因数の和:657

約数の個数: 128

約数和(自身を含む): 5258880000

約数和(自身を除く): 3248558120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 109, 140, 199, 218, 280, 331, 398, 436, 545, 662, 763, 796, 872, 995, 1090, 1324, 1393, 1526, 1592, 1655, 1990, 2180, 2317, 2648, 2786, 3052, 3310, 3815, 3980, 4360, 4634, 5572, 6104, 6620, 6965, 7630, 7960, 9268, 11144, 11585, 13240, 13930, 15260, 18536, 21691, 23170, 27860, 30520, 36079, 43382, 46340, 55720, 65869, 72158, 86764, 92680, 108455, 131738, 144316, 151837, 173528, 180395, 216910, 252553, 263476, 288632, 303674, 329345, 360790, 433820, 461083, 505106, 526952, 607348, 658690, 721580, 759185, 867640, 922166, 1010212, 1214696, 1262765, 1317380, 1443160, 1518370, 1844332, 2020424, 2305415, 2525530, 2634760, 3036740, 3688664, 4610830, 5051060, 6073480, 7179721, 9221660, 10102120, 14359442, 18443320, 28718884, 35898605, 50258047, 57437768, 71797210, 100516094, 143594420, 201032188, 251290235, 287188840, 402064376, 502580470, 1005160940, 2010321880]

約数ペア:

[(1, 2010321880), (2, 1005160940), (4, 502580470), (5, 402064376), (7, 287188840), (8, 251290235), (10, 201032188), (14, 143594420), (20, 100516094), (28, 71797210), (35, 57437768), (40, 50258047), (56, 35898605), (70, 28718884), (109, 18443320), (140, 14359442), (199, 10102120), (218, 9221660), (280, 7179721), (331, 6073480), (398, 5051060), (436, 4610830), (545, 3688664), (662, 3036740), (763, 2634760), (796, 2525530), (872, 2305415), (995, 2020424), (1090, 1844332), (1324, 1518370), (1393, 1443160), (1526, 1317380), (1592, 1262765), (1655, 1214696), (1990, 1010212), (2180, 922166), (2317, 867640), (2648, 759185), (2786, 721580), (3052, 658690), (3310, 607348), (3815, 526952), (3980, 505106), (4360, 461083), (4634, 433820), (5572, 360790), (6104, 329345), (6620, 303674), (6965, 288632), (7630, 263476), (7960, 252553), (9268, 216910), (11144, 180395), (11585, 173528), (13240, 151837), (13930, 144316), (15260, 131738), (18536, 108455), (21691, 92680), (23170, 86764), (27860, 72158), (30520, 65869), (36079, 55720), (43382, 46340)]