388635850

素因数分解:

$2^1\times 5^2\times {\mathrm{173}}^1\times {\mathrm{179}}^1\times {\mathrm{251}}^1$

素因数の和:615

約数の個数: 48

約数和(自身を含む): 734015520

約数和(自身を除く): 345379670

約数列:

[1, 2, 5, 10, 25, 50, 173, 179, 251, 346, 358, 502, 865, 895, 1255, 1730, 1790, 2510, 4325, 4475, 6275, 8650, 8950, 12550, 30967, 43423, 44929, 61934, 86846, 89858, 154835, 217115, 224645, 309670, 434230, 449290, 774175, 1085575, 1123225, 1548350, 2171150, 2246450, 7772717, 15545434, 38863585, 77727170, 194317925, 388635850]

約数ペア:

[(1, 388635850), (2, 194317925), (5, 77727170), (10, 38863585), (25, 15545434), (50, 7772717), (173, 2246450), (179, 2171150), (251, 1548350), (346, 1123225), (358, 1085575), (502, 774175), (865, 449290), (895, 434230), (1255, 309670), (1730, 224645), (1790, 217115), (2510, 154835), (4325, 89858), (4475, 86846), (6275, 61934), (8650, 44929), (8950, 43423), (12550, 30967)]