30006620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{457}}^1$

素因数の和:547

約数の個数: 72

約数和(自身を含む): 74558736

約数和(自身を除く): 44552116

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 67, 70, 98, 134, 140, 196, 245, 268, 335, 457, 469, 490, 670, 914, 938, 980, 1340, 1828, 1876, 2285, 2345, 3199, 3283, 4570, 4690, 6398, 6566, 9140, 9380, 12796, 13132, 15995, 16415, 22393, 30619, 31990, 32830, 44786, 61238, 63980, 65660, 89572, 111965, 122476, 153095, 214333, 223930, 306190, 428666, 447860, 612380, 857332, 1071665, 1500331, 2143330, 3000662, 4286660, 6001324, 7501655, 15003310, 30006620]

約数ペア:

[(1, 30006620), (2, 15003310), (4, 7501655), (5, 6001324), (7, 4286660), (10, 3000662), (14, 2143330), (20, 1500331), (28, 1071665), (35, 857332), (49, 612380), (67, 447860), (70, 428666), (98, 306190), (134, 223930), (140, 214333), (196, 153095), (245, 122476), (268, 111965), (335, 89572), (457, 65660), (469, 63980), (490, 61238), (670, 44786), (914, 32830), (938, 31990), (980, 30619), (1340, 22393), (1828, 16415), (1876, 15995), (2285, 13132), (2345, 12796), (3199, 9380), (3283, 9140), (4570, 6566), (4690, 6398)]