2017302925

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:307

約数の個数: 72

約数和(自身を含む): 2849817600

約数和(自身を除く): 832514675

約数列:

[1, 5, 11, 25, 55, 59, 89, 121, 127, 275, 295, 445, 605, 635, 649, 979, 1397, 1475, 2225, 3025, 3175, 3245, 4895, 5251, 6985, 7139, 7493, 10769, 11303, 15367, 16225, 24475, 26255, 34925, 35695, 37465, 53845, 56515, 57761, 76835, 82423, 124333, 131275, 178475, 187325, 269225, 282575, 288805, 384175, 412115, 621665, 635371, 666877, 906653, 1367663, 1444025, 2060575, 3108325, 3176855, 3334385, 4533265, 6838315, 7335647, 15884275, 16671925, 22666325, 34191575, 36678235, 80692117, 183391175, 403460585, 2017302925]

約数ペア:

[(1, 2017302925), (5, 403460585), (11, 183391175), (25, 80692117), (55, 36678235), (59, 34191575), (89, 22666325), (121, 16671925), (127, 15884275), (275, 7335647), (295, 6838315), (445, 4533265), (605, 3334385), (635, 3176855), (649, 3108325), (979, 2060575), (1397, 1444025), (1475, 1367663), (2225, 906653), (3025, 666877), (3175, 635371), (3245, 621665), (4895, 412115), (5251, 384175), (6985, 288805), (7139, 282575), (7493, 269225), (10769, 187325), (11303, 178475), (15367, 131275), (16225, 124333), (24475, 82423), (26255, 76835), (34925, 57761), (35695, 56515), (37465, 53845)]