4027720990

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{853}}^1$

素因数の和:1121

約数の個数: 64

約数和(自身を含む): 7575321600

約数和(自身を除く): 3547600610

約数列:

[1, 2, 5, 10, 43, 79, 86, 139, 158, 215, 278, 395, 430, 695, 790, 853, 1390, 1706, 3397, 4265, 5977, 6794, 8530, 10981, 11954, 16985, 21962, 29885, 33970, 36679, 54905, 59770, 67387, 73358, 109810, 118567, 134774, 183395, 237134, 336935, 366790, 472183, 592835, 673870, 944366, 1185670, 2360915, 2897641, 4721830, 5098381, 5795282, 9366793, 10196762, 14488205, 18733586, 25491905, 28976410, 46833965, 50983810, 93667930, 402772099, 805544198, 2013860495, 4027720990]

約数ペア:

[(1, 4027720990), (2, 2013860495), (5, 805544198), (10, 402772099), (43, 93667930), (79, 50983810), (86, 46833965), (139, 28976410), (158, 25491905), (215, 18733586), (278, 14488205), (395, 10196762), (430, 9366793), (695, 5795282), (790, 5098381), (853, 4721830), (1390, 2897641), (1706, 2360915), (3397, 1185670), (4265, 944366), (5977, 673870), (6794, 592835), (8530, 472183), (10981, 366790), (11954, 336935), (16985, 237134), (21962, 183395), (29885, 134774), (33970, 118567), (36679, 109810), (54905, 73358), (59770, 67387)]