230804980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1277}}^1\times {\mathrm{1291}}^1$

素因数の和:2584

約数の個数: 48

約数和(自身を含む): 554795136

約数和(自身を除く): 323990156

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1277, 1291, 2554, 2582, 5108, 5164, 6385, 6455, 8939, 9037, 12770, 12910, 17878, 18074, 25540, 25820, 35756, 36148, 44695, 45185, 89390, 90370, 178780, 180740, 1648607, 3297214, 6594428, 8243035, 11540249, 16486070, 23080498, 32972140, 46160996, 57701245, 115402490, 230804980]

約数ペア:

[(1, 230804980), (2, 115402490), (4, 57701245), (5, 46160996), (7, 32972140), (10, 23080498), (14, 16486070), (20, 11540249), (28, 8243035), (35, 6594428), (70, 3297214), (140, 1648607), (1277, 180740), (1291, 178780), (2554, 90370), (2582, 89390), (5108, 45185), (5164, 44695), (6385, 36148), (6455, 35756), (8939, 25820), (9037, 25540), (12770, 18074), (12910, 17878)]