206135720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{10369}}^1$

素因数の和:10458

約数の個数: 64

約数和(自身を含む): 537580800

約数和(自身を除く): 331445080

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, 10369, 19880, 20738, 41476, 51845, 72583, 82952, 103690, 145166, 207380, 290332, 362915, 414760, 580664, 725830, 736199, 1451660, 1472398, 2903320, 2944796, 3680995, 5153393, 5889592, 7361990, 10306786, 14723980, 20613572, 25766965, 29447960, 41227144, 51533930, 103067860, 206135720]

約数ペア:

[(1, 206135720), (2, 103067860), (4, 51533930), (5, 41227144), (7, 29447960), (8, 25766965), (10, 20613572), (14, 14723980), (20, 10306786), (28, 7361990), (35, 5889592), (40, 5153393), (56, 3680995), (70, 2944796), (71, 2903320), (140, 1472398), (142, 1451660), (280, 736199), (284, 725830), (355, 580664), (497, 414760), (568, 362915), (710, 290332), (994, 207380), (1420, 145166), (1988, 103690), (2485, 82952), (2840, 72583), (3976, 51845), (4970, 41476), (9940, 20738), (10369, 19880)]