207408040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{10433}}^1$

素因数の和:10522

約数の個数: 64

約数和(自身を含む): 540898560

約数和(自身を除く): 333490520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2840, 3976, 4970, 9940, 10433, 19880, 20866, 41732, 52165, 73031, 83464, 104330, 146062, 208660, 292124, 365155, 417320, 584248, 730310, 740743, 1460620, 1481486, 2921240, 2962972, 3703715, 5185201, 5925944, 7407430, 10370402, 14814860, 20740804, 25926005, 29629720, 41481608, 51852010, 103704020, 207408040]

約数ペア:

[(1, 207408040), (2, 103704020), (4, 51852010), (5, 41481608), (7, 29629720), (8, 25926005), (10, 20740804), (14, 14814860), (20, 10370402), (28, 7407430), (35, 5925944), (40, 5185201), (56, 3703715), (70, 2962972), (71, 2921240), (140, 1481486), (142, 1460620), (280, 740743), (284, 730310), (355, 584248), (497, 417320), (568, 365155), (710, 292124), (994, 208660), (1420, 146062), (1988, 104330), (2485, 83464), (2840, 73031), (3976, 52165), (4970, 41732), (9940, 20866), (10433, 19880)]