2599660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{599}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 6451200

約数和(自身を除く): 3851540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 599, 620, 868, 1085, 1198, 2170, 2396, 2995, 4193, 4340, 5990, 8386, 11980, 16772, 18569, 20965, 37138, 41930, 74276, 83860, 92845, 129983, 185690, 259966, 371380, 519932, 649915, 1299830, 2599660]

約数ペア:

[(1, 2599660), (2, 1299830), (4, 649915), (5, 519932), (7, 371380), (10, 259966), (14, 185690), (20, 129983), (28, 92845), (31, 83860), (35, 74276), (62, 41930), (70, 37138), (124, 20965), (140, 18569), (155, 16772), (217, 11980), (310, 8386), (434, 5990), (599, 4340), (620, 4193), (868, 2995), (1085, 2396), (1198, 2170)]