2870996828

素因数分解:

$2^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{1181}}^1$

素因数の和:1435

約数の個数: 72

約数和(自身を含む): 5961251520

約数和(自身を除く): 3090254692

約数列:

[1, 2, 4, 7, 14, 28, 49, 79, 98, 157, 158, 196, 314, 316, 553, 628, 1099, 1106, 1181, 2198, 2212, 2362, 3871, 4396, 4724, 7693, 7742, 8267, 12403, 15386, 15484, 16534, 24806, 30772, 33068, 49612, 57869, 86821, 93299, 115738, 173642, 185417, 186598, 231476, 347284, 370834, 373196, 607747, 653093, 741668, 1215494, 1297919, 1306186, 2430988, 2595838, 2612372, 4571651, 5191676, 9085433, 9143302, 14647943, 18170866, 18286604, 29295886, 36341732, 58591772, 102535601, 205071202, 410142404, 717749207, 1435498414, 2870996828]

約数ペア:

[(1, 2870996828), (2, 1435498414), (4, 717749207), (7, 410142404), (14, 205071202), (28, 102535601), (49, 58591772), (79, 36341732), (98, 29295886), (157, 18286604), (158, 18170866), (196, 14647943), (314, 9143302), (316, 9085433), (553, 5191676), (628, 4571651), (1099, 2612372), (1106, 2595838), (1181, 2430988), (2198, 1306186), (2212, 1297919), (2362, 1215494), (3871, 741668), (4396, 653093), (4724, 607747), (7693, 373196), (7742, 370834), (8267, 347284), (12403, 231476), (15386, 186598), (15484, 185417), (16534, 173642), (24806, 115738), (30772, 93299), (33068, 86821), (49612, 57869)]