320801492

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{307}}^1$

素因数の和:477

約数の個数: 72

約数和(自身を含む): 660667392

約数和(自身を除く): 339865900

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 121, 127, 187, 242, 254, 307, 374, 484, 508, 614, 748, 1228, 1397, 2057, 2159, 2794, 3377, 4114, 4318, 5219, 5588, 6754, 8228, 8636, 10438, 13508, 15367, 20876, 23749, 30734, 37147, 38989, 47498, 57409, 61468, 74294, 77978, 94996, 114818, 148588, 155956, 229636, 261239, 428879, 522478, 631499, 662813, 857758, 1044956, 1262998, 1325626, 1715516, 2525996, 2651252, 4717669, 7290943, 9435338, 14581886, 18870676, 29163772, 80200373, 160400746, 320801492]

約数ペア:

[(1, 320801492), (2, 160400746), (4, 80200373), (11, 29163772), (17, 18870676), (22, 14581886), (34, 9435338), (44, 7290943), (68, 4717669), (121, 2651252), (127, 2525996), (187, 1715516), (242, 1325626), (254, 1262998), (307, 1044956), (374, 857758), (484, 662813), (508, 631499), (614, 522478), (748, 428879), (1228, 261239), (1397, 229636), (2057, 155956), (2159, 148588), (2794, 114818), (3377, 94996), (4114, 77978), (4318, 74294), (5219, 61468), (5588, 57409), (6754, 47498), (8228, 38989), (8636, 37147), (10438, 30734), (13508, 23749), (15367, 20876)]