165192860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{16619}}^1$

素因数の和:16706

約数の個数: 48

約数和(自身を含む): 402071040

約数和(自身を除く): 236878180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940, 16619, 33238, 66476, 83095, 116333, 166190, 232666, 332380, 465332, 581665, 1163330, 1179949, 2326660, 2359898, 4719796, 5899745, 8259643, 11799490, 16519286, 23598980, 33038572, 41298215, 82596430, 165192860]

約数ペア:

[(1, 165192860), (2, 82596430), (4, 41298215), (5, 33038572), (7, 23598980), (10, 16519286), (14, 11799490), (20, 8259643), (28, 5899745), (35, 4719796), (70, 2359898), (71, 2326660), (140, 1179949), (142, 1163330), (284, 581665), (355, 465332), (497, 332380), (710, 232666), (994, 166190), (1420, 116333), (1988, 83095), (2485, 66476), (4970, 33238), (9940, 16619)]