2128588420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{443}}^1\times {\mathrm{4903}}^1$

素因数の和:5369

約数の個数: 72

約数和(自身を含む): 5212638144

約数和(自身を除く): 3084049724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 443, 490, 886, 980, 1772, 2215, 3101, 4430, 4903, 6202, 8860, 9806, 12404, 15505, 19612, 21707, 24515, 31010, 34321, 43414, 49030, 62020, 68642, 86828, 98060, 108535, 137284, 171605, 217070, 240247, 343210, 434140, 480494, 686420, 960988, 1201235, 2172029, 2402470, 4344058, 4804940, 8688116, 10860145, 15204203, 21720290, 30408406, 43440580, 60816812, 76021015, 106429421, 152042030, 212858842, 304084060, 425717684, 532147105, 1064294210, 2128588420]

約数ペア:

[(1, 2128588420), (2, 1064294210), (4, 532147105), (5, 425717684), (7, 304084060), (10, 212858842), (14, 152042030), (20, 106429421), (28, 76021015), (35, 60816812), (49, 43440580), (70, 30408406), (98, 21720290), (140, 15204203), (196, 10860145), (245, 8688116), (443, 4804940), (490, 4344058), (886, 2402470), (980, 2172029), (1772, 1201235), (2215, 960988), (3101, 686420), (4430, 480494), (4903, 434140), (6202, 343210), (8860, 240247), (9806, 217070), (12404, 171605), (15505, 137284), (19612, 108535), (21707, 98060), (24515, 86828), (31010, 68642), (34321, 62020), (43414, 49030)]