311273710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{173}}^1\times {\mathrm{1487}}^1$

素因数の和:1689

約数の個数: 48

約数和(自身を含む): 619835328

約数和(自身を除く): 308561618

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 173, 242, 346, 605, 865, 1210, 1487, 1730, 1903, 2974, 3806, 7435, 9515, 14870, 16357, 19030, 20933, 32714, 41866, 81785, 104665, 163570, 179927, 209330, 257251, 359854, 514502, 899635, 1286255, 1799270, 2572510, 2829761, 5659522, 14148805, 28297610, 31127371, 62254742, 155636855, 311273710]

約数ペア:

[(1, 311273710), (2, 155636855), (5, 62254742), (10, 31127371), (11, 28297610), (22, 14148805), (55, 5659522), (110, 2829761), (121, 2572510), (173, 1799270), (242, 1286255), (346, 899635), (605, 514502), (865, 359854), (1210, 257251), (1487, 209330), (1730, 179927), (1903, 163570), (2974, 104665), (3806, 81785), (7435, 41866), (9515, 32714), (14870, 20933), (16357, 19030)]