2891092120

素因数分解:

$2^3\times 5^1\times 7^4\times {\mathrm{30103}}^1$

素因数の和:30142

約数の個数: 80

約数和(自身を含む): 7588917360

約数和(自身を除く): 4697825240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2401, 2744, 3430, 4802, 6860, 9604, 12005, 13720, 19208, 24010, 30103, 48020, 60206, 96040, 120412, 150515, 210721, 240824, 301030, 421442, 602060, 842884, 1053605, 1204120, 1475047, 1685768, 2107210, 2950094, 4214420, 5900188, 7375235, 8428840, 10325329, 11800376, 14750470, 20650658, 29500940, 41301316, 51626645, 59001880, 72277303, 82602632, 103253290, 144554606, 206506580, 289109212, 361386515, 413013160, 578218424, 722773030, 1445546060, 2891092120]

約数ペア:

[(1, 2891092120), (2, 1445546060), (4, 722773030), (5, 578218424), (7, 413013160), (8, 361386515), (10, 289109212), (14, 206506580), (20, 144554606), (28, 103253290), (35, 82602632), (40, 72277303), (49, 59001880), (56, 51626645), (70, 41301316), (98, 29500940), (140, 20650658), (196, 14750470), (245, 11800376), (280, 10325329), (343, 8428840), (392, 7375235), (490, 5900188), (686, 4214420), (980, 2950094), (1372, 2107210), (1715, 1685768), (1960, 1475047), (2401, 1204120), (2744, 1053605), (3430, 842884), (4802, 602060), (6860, 421442), (9604, 301030), (12005, 240824), (13720, 210721), (19208, 150515), (24010, 120412), (30103, 96040), (48020, 60206)]