16743860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{601}}^1$

素因数の和:816

約数の個数: 48

約数和(自身を含む): 40454400

約数和(自身を除く): 23710540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 199, 398, 601, 796, 995, 1202, 1393, 1990, 2404, 2786, 3005, 3980, 4207, 5572, 6010, 6965, 8414, 12020, 13930, 16828, 21035, 27860, 42070, 84140, 119599, 239198, 478396, 597995, 837193, 1195990, 1674386, 2391980, 3348772, 4185965, 8371930, 16743860]

約数ペア:

[(1, 16743860), (2, 8371930), (4, 4185965), (5, 3348772), (7, 2391980), (10, 1674386), (14, 1195990), (20, 837193), (28, 597995), (35, 478396), (70, 239198), (140, 119599), (199, 84140), (398, 42070), (601, 27860), (796, 21035), (995, 16828), (1202, 13930), (1393, 12020), (1990, 8414), (2404, 6965), (2786, 6010), (3005, 5572), (3980, 4207)]