51072980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{601}}^1\times {\mathrm{607}}^1$

素因数の和:1224

約数の個数: 48

約数和(自身を含む): 122981376

約数和(自身を除く): 71908396

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 601, 607, 1202, 1214, 2404, 2428, 3005, 3035, 4207, 4249, 6010, 6070, 8414, 8498, 12020, 12140, 16828, 16996, 21035, 21245, 42070, 42490, 84140, 84980, 364807, 729614, 1459228, 1824035, 2553649, 3648070, 5107298, 7296140, 10214596, 12768245, 25536490, 51072980]

約数ペア:

[(1, 51072980), (2, 25536490), (4, 12768245), (5, 10214596), (7, 7296140), (10, 5107298), (14, 3648070), (20, 2553649), (28, 1824035), (35, 1459228), (70, 729614), (140, 364807), (601, 84980), (607, 84140), (1202, 42490), (1214, 42070), (2404, 21245), (2428, 21035), (3005, 16996), (3035, 16828), (4207, 12140), (4249, 12020), (6010, 8498), (6070, 8414)]