90443350

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{349}}^1$

素因数の和:505

約数の個数: 48

約数和(自身を含む): 173426400

約数和(自身を除く): 82983050

約数列:

[1, 2, 5, 10, 25, 50, 71, 73, 142, 146, 349, 355, 365, 698, 710, 730, 1745, 1775, 1825, 3490, 3550, 3650, 5183, 8725, 10366, 17450, 24779, 25477, 25915, 49558, 50954, 51830, 123895, 127385, 129575, 247790, 254770, 259150, 619475, 636925, 1238950, 1273850, 1808867, 3617734, 9044335, 18088670, 45221675, 90443350]

約数ペア:

[(1, 90443350), (2, 45221675), (5, 18088670), (10, 9044335), (25, 3617734), (50, 1808867), (71, 1273850), (73, 1238950), (142, 636925), (146, 619475), (349, 259150), (355, 254770), (365, 247790), (698, 129575), (710, 127385), (730, 123895), (1745, 51830), (1775, 50954), (1825, 49558), (3490, 25915), (3550, 25477), (3650, 24779), (5183, 17450), (8725, 10366)]