22148980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{233}}^1$

素因数の和:353

約数の個数: 72

約数和(自身を含む): 54899208

約数和(自身を除く): 32750228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 97, 98, 140, 194, 196, 233, 245, 388, 466, 485, 490, 679, 932, 970, 980, 1165, 1358, 1631, 1940, 2330, 2716, 3262, 3395, 4660, 4753, 6524, 6790, 8155, 9506, 11417, 13580, 16310, 19012, 22601, 22834, 23765, 32620, 45202, 45668, 47530, 57085, 90404, 95060, 113005, 114170, 158207, 226010, 228340, 316414, 452020, 632828, 791035, 1107449, 1582070, 2214898, 3164140, 4429796, 5537245, 11074490, 22148980]

約数ペア:

[(1, 22148980), (2, 11074490), (4, 5537245), (5, 4429796), (7, 3164140), (10, 2214898), (14, 1582070), (20, 1107449), (28, 791035), (35, 632828), (49, 452020), (70, 316414), (97, 228340), (98, 226010), (140, 158207), (194, 114170), (196, 113005), (233, 95060), (245, 90404), (388, 57085), (466, 47530), (485, 45668), (490, 45202), (679, 32620), (932, 23765), (970, 22834), (980, 22601), (1165, 19012), (1358, 16310), (1631, 13580), (1940, 11417), (2330, 9506), (2716, 8155), (3262, 6790), (3395, 6524), (4660, 4753)]