28600120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{307}}^1$

素因数の和:472

約数の個数: 64

約数和(自身を含む): 68856480

約数和(自身を除く): 40256360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 137, 170, 274, 307, 340, 548, 614, 680, 685, 1096, 1228, 1370, 1535, 2329, 2456, 2740, 3070, 4658, 5219, 5480, 6140, 9316, 10438, 11645, 12280, 18632, 20876, 23290, 26095, 41752, 42059, 46580, 52190, 84118, 93160, 104380, 168236, 208760, 210295, 336472, 420590, 715003, 841180, 1430006, 1682360, 2860012, 3575015, 5720024, 7150030, 14300060, 28600120]

約数ペア:

[(1, 28600120), (2, 14300060), (4, 7150030), (5, 5720024), (8, 3575015), (10, 2860012), (17, 1682360), (20, 1430006), (34, 841180), (40, 715003), (68, 420590), (85, 336472), (136, 210295), (137, 208760), (170, 168236), (274, 104380), (307, 93160), (340, 84118), (548, 52190), (614, 46580), (680, 42059), (685, 41752), (1096, 26095), (1228, 23290), (1370, 20876), (1535, 18632), (2329, 12280), (2456, 11645), (2740, 10438), (3070, 9316), (4658, 6140), (5219, 5480)]