2121330280

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{431}}^1\times {\mathrm{4243}}^1$

素因数の和:4714

約数の個数: 64

約数和(自身を含む): 4950201600

約数和(自身を除く): 2828871320

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 431, 580, 862, 1160, 1724, 2155, 3448, 4243, 4310, 8486, 8620, 12499, 16972, 17240, 21215, 24998, 33944, 42430, 49996, 62495, 84860, 99992, 123047, 124990, 169720, 246094, 249980, 492188, 499960, 615235, 984376, 1230470, 1828733, 2460940, 3657466, 4921880, 7314932, 9143665, 14629864, 18287330, 36574660, 53033257, 73149320, 106066514, 212133028, 265166285, 424266056, 530332570, 1060665140, 2121330280]

約数ペア:

[(1, 2121330280), (2, 1060665140), (4, 530332570), (5, 424266056), (8, 265166285), (10, 212133028), (20, 106066514), (29, 73149320), (40, 53033257), (58, 36574660), (116, 18287330), (145, 14629864), (232, 9143665), (290, 7314932), (431, 4921880), (580, 3657466), (862, 2460940), (1160, 1828733), (1724, 1230470), (2155, 984376), (3448, 615235), (4243, 499960), (4310, 492188), (8486, 249980), (8620, 246094), (12499, 169720), (16972, 124990), (17240, 123047), (21215, 99992), (24998, 84860), (33944, 62495), (42430, 49996)]