201928940

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{967}}^1$

素因数の和:1226

約数の個数: 48

約数和(自身を含む): 434693952

約数和(自身を除く): 232765012

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 197, 212, 265, 394, 530, 788, 967, 985, 1060, 1934, 1970, 3868, 3940, 4835, 9670, 10441, 19340, 20882, 41764, 51251, 52205, 102502, 104410, 190499, 205004, 208820, 256255, 380998, 512510, 761996, 952495, 1025020, 1904990, 3809980, 10096447, 20192894, 40385788, 50482235, 100964470, 201928940]

約数ペア:

[(1, 201928940), (2, 100964470), (4, 50482235), (5, 40385788), (10, 20192894), (20, 10096447), (53, 3809980), (106, 1904990), (197, 1025020), (212, 952495), (265, 761996), (394, 512510), (530, 380998), (788, 256255), (967, 208820), (985, 205004), (1060, 190499), (1934, 104410), (1970, 102502), (3868, 52205), (3940, 51251), (4835, 41764), (9670, 20882), (10441, 19340)]