2017142980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{38189}}^1$

素因数の和:38356

約数の個数: 48

約数和(自身を含む): 4491144000

約数和(自身を除く): 2474001020

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 139, 190, 278, 380, 556, 695, 1390, 2641, 2780, 5282, 10564, 13205, 26410, 38189, 52820, 76378, 152756, 190945, 381890, 725591, 763780, 1451182, 2902364, 3627955, 5308271, 7255910, 10616542, 14511820, 21233084, 26541355, 53082710, 100857149, 106165420, 201714298, 403428596, 504285745, 1008571490, 2017142980]

約数ペア:

[(1, 2017142980), (2, 1008571490), (4, 504285745), (5, 403428596), (10, 201714298), (19, 106165420), (20, 100857149), (38, 53082710), (76, 26541355), (95, 21233084), (139, 14511820), (190, 10616542), (278, 7255910), (380, 5308271), (556, 3627955), (695, 2902364), (1390, 1451182), (2641, 763780), (2780, 725591), (5282, 381890), (10564, 190945), (13205, 152756), (26410, 76378), (38189, 52820)]