3988879.00000000

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 30105600

約数和(自身を除く): 14713852

約数列:

[1, 2, 4, 19, 31, 38, 47, 62, 76, 94, 124, 139, 188, 278, 556, 589, 893, 1178, 1457, 1786, 2356, 2641, 2914, 3572, 4309, 5282, 5828, 6533, 8618, 10564, 13066, 17236, 26132, 27683, 55366, 81871, 110732, 124127, 163742, 202523, 248254, 327484, 405046, 496508, 810092, 3847937, 7695874, 15391748]

約数ペア:

[(1, 15391748), (2, 7695874), (4, 3847937), (19, 810092), (31, 496508), (38, 405046), (47, 327484), (62, 248254), (76, 202523), (94, 163742), (124, 124127), (139, 110732), (188, 81871), (278, 55366), (556, 27683), (589, 26132), (893, 17236), (1178, 13066), (1457, 10564), (1786, 8618), (2356, 6533), (2641, 5828), (2914, 5282), (3572, 4309)]