2389790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{593}}^1$

素因数の和:644

約数の個数: 32

約数和(自身を含む): 4790016

約数和(自身を除く): 2400226

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 593, 806, 1186, 2015, 2965, 4030, 5930, 7709, 15418, 18383, 36766, 38545, 77090, 91915, 183830, 238979, 477958, 1194895, 2389790]

約数ペア:

[(1, 2389790), (2, 1194895), (5, 477958), (10, 238979), (13, 183830), (26, 91915), (31, 77090), (62, 38545), (65, 36766), (130, 18383), (155, 15418), (310, 7709), (403, 5930), (593, 4030), (806, 2965), (1186, 2015)]