28840075

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 42854400

約数和(自身を除く): 14014325

約数列:

[1, 5, 11, 17, 25, 31, 55, 85, 155, 187, 199, 275, 341, 425, 527, 775, 935, 995, 1705, 2189, 2635, 3383, 4675, 4975, 5797, 6169, 8525, 10945, 13175, 16915, 28985, 30845, 37213, 54725, 67859, 84575, 104873, 144925, 154225, 186065, 339295, 524365, 930325, 1153603, 1696475, 2621825, 5768015, 28840075]

約数ペア:

[(1, 28840075), (5, 5768015), (11, 2621825), (17, 1696475), (25, 1153603), (31, 930325), (55, 524365), (85, 339295), (155, 186065), (187, 154225), (199, 144925), (275, 104873), (341, 84575), (425, 67859), (527, 54725), (775, 37213), (935, 30845), (995, 28985), (1705, 16915), (2189, 13175), (2635, 10945), (3383, 8525), (4675, 6169), (4975, 5797)]