2268890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{563}}^1$

素因数の和:614

約数の個数: 32

約数和(自身を含む): 4548096

約数和(自身を除く): 2279206

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 563, 806, 1126, 2015, 2815, 4030, 5630, 7319, 14638, 17453, 34906, 36595, 73190, 87265, 174530, 226889, 453778, 1134445, 2268890]

約数ペア:

[(1, 2268890), (2, 1134445), (5, 453778), (10, 226889), (13, 174530), (26, 87265), (31, 73190), (62, 36595), (65, 34906), (130, 17453), (155, 14638), (310, 7319), (403, 5630), (563, 4030), (806, 2815), (1126, 2015)]