320650

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{53}}^1$

素因数の和:87

約数の個数: 36

約数和(自身を含む): 667926

約数和(自身を除く): 347276

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 53, 55, 106, 110, 121, 242, 265, 275, 530, 550, 583, 605, 1166, 1210, 1325, 2650, 2915, 3025, 5830, 6050, 6413, 12826, 14575, 29150, 32065, 64130, 160325, 320650]

約数ペア:

[(1, 320650), (2, 160325), (5, 64130), (10, 32065), (11, 29150), (22, 14575), (25, 12826), (50, 6413), (53, 6050), (55, 5830), (106, 3025), (110, 2915), (121, 2650), (242, 1325), (265, 1210), (275, 1166), (530, 605), (550, 583)]