212855980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{709}}^1\times {\mathrm{883}}^1$

素因数の和:1618

約数の個数: 48

約数和(自身を含む): 474495840

約数和(自身を除く): 261639860

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 709, 883, 1418, 1766, 2836, 3532, 3545, 4415, 7090, 8830, 12053, 14180, 15011, 17660, 24106, 30022, 48212, 60044, 60265, 75055, 120530, 150110, 241060, 300220, 626047, 1252094, 2504188, 3130235, 6260470, 10642799, 12520940, 21285598, 42571196, 53213995, 106427990, 212855980]

約数ペア:

[(1, 212855980), (2, 106427990), (4, 53213995), (5, 42571196), (10, 21285598), (17, 12520940), (20, 10642799), (34, 6260470), (68, 3130235), (85, 2504188), (170, 1252094), (340, 626047), (709, 300220), (883, 241060), (1418, 150110), (1766, 120530), (2836, 75055), (3532, 60265), (3545, 60044), (4415, 48212), (7090, 30022), (8830, 24106), (12053, 17660), (14180, 15011)]