1889698.00000000

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{283}}^1$

素因数の和:403

約数の個数: 72

約数和(自身を含む): 66629808

約数和(自身を除く): 39727828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 97, 98, 140, 194, 196, 245, 283, 388, 485, 490, 566, 679, 970, 980, 1132, 1358, 1415, 1940, 1981, 2716, 2830, 3395, 3962, 4753, 5660, 6790, 7924, 9506, 9905, 13580, 13867, 19012, 19810, 23765, 27451, 27734, 39620, 47530, 54902, 55468, 69335, 95060, 109804, 137255, 138670, 192157, 274510, 277340, 384314, 549020, 768628, 960785, 1345099, 1921570, 2690198, 3843140, 5380396, 6725495, 13450990, 26901980]

約数ペア:

[(1, 26901980), (2, 13450990), (4, 6725495), (5, 5380396), (7, 3843140), (10, 2690198), (14, 1921570), (20, 1345099), (28, 960785), (35, 768628), (49, 549020), (70, 384314), (97, 277340), (98, 274510), (140, 192157), (194, 138670), (196, 137255), (245, 109804), (283, 95060), (388, 69335), (485, 55468), (490, 54902), (566, 47530), (679, 39620), (970, 27734), (980, 27451), (1132, 23765), (1358, 19810), (1415, 19012), (1940, 13867), (1981, 13580), (2716, 9905), (2830, 9506), (3395, 7924), (3962, 6790), (4753, 5660)]