191641940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{283}}^1\times {\mathrm{691}}^1$

素因数の和:997

約数の個数: 72

約数和(自身を含む): 470488032

約数和(自身を除く): 278846092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 283, 490, 566, 691, 980, 1132, 1382, 1415, 1981, 2764, 2830, 3455, 3962, 4837, 5660, 6910, 7924, 9674, 9905, 13820, 13867, 19348, 19810, 24185, 27734, 33859, 39620, 48370, 55468, 67718, 69335, 96740, 135436, 138670, 169295, 195553, 277340, 338590, 391106, 677180, 782212, 977765, 1368871, 1955530, 2737742, 3911060, 5475484, 6844355, 9582097, 13688710, 19164194, 27377420, 38328388, 47910485, 95820970, 191641940]

約数ペア:

[(1, 191641940), (2, 95820970), (4, 47910485), (5, 38328388), (7, 27377420), (10, 19164194), (14, 13688710), (20, 9582097), (28, 6844355), (35, 5475484), (49, 3911060), (70, 2737742), (98, 1955530), (140, 1368871), (196, 977765), (245, 782212), (283, 677180), (490, 391106), (566, 338590), (691, 277340), (980, 195553), (1132, 169295), (1382, 138670), (1415, 135436), (1981, 96740), (2764, 69335), (2830, 67718), (3455, 55468), (3962, 48370), (4837, 39620), (5660, 33859), (6910, 27734), (7924, 24185), (9674, 19810), (9905, 19348), (13820, 13867)]