320492095

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{569}}^1$

素因数の和:629

約数の個数: 72

約数和(自身を含む): 518540400

約数和(自身を除く): 198048305

約数列:

[1, 5, 7, 11, 19, 35, 49, 55, 77, 95, 121, 133, 209, 245, 385, 539, 569, 605, 665, 847, 931, 1045, 1463, 2299, 2695, 2845, 3983, 4235, 4655, 5929, 6259, 7315, 10241, 10811, 11495, 16093, 19915, 27881, 29645, 31295, 43813, 51205, 54055, 68849, 75677, 80465, 112651, 118921, 139405, 219065, 306691, 344245, 378385, 481943, 529739, 563255, 594605, 832447, 1308131, 1533455, 2409715, 2648695, 3373601, 4162235, 5827129, 6540655, 9156917, 16868005, 29135645, 45784585, 64098419, 320492095]

約数ペア:

[(1, 320492095), (5, 64098419), (7, 45784585), (11, 29135645), (19, 16868005), (35, 9156917), (49, 6540655), (55, 5827129), (77, 4162235), (95, 3373601), (121, 2648695), (133, 2409715), (209, 1533455), (245, 1308131), (385, 832447), (539, 594605), (569, 563255), (605, 529739), (665, 481943), (847, 378385), (931, 344245), (1045, 306691), (1463, 219065), (2299, 139405), (2695, 118921), (2845, 112651), (3983, 80465), (4235, 75677), (4655, 68849), (5929, 54055), (6259, 51205), (7315, 43813), (10241, 31295), (10811, 29645), (11495, 27881), (16093, 19915)]