28670075

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{419}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 44997120

約数和(自身を除く): 16327045

約数列:

[1, 5, 7, 17, 23, 25, 35, 85, 115, 119, 161, 175, 391, 419, 425, 575, 595, 805, 1955, 2095, 2737, 2933, 2975, 4025, 7123, 9637, 9775, 10475, 13685, 14665, 35615, 48185, 49861, 67459, 68425, 73325, 163829, 178075, 240925, 249305, 337295, 819145, 1146803, 1246525, 1686475, 4095725, 5734015, 28670075]

約数ペア:

[(1, 28670075), (5, 5734015), (7, 4095725), (17, 1686475), (23, 1246525), (25, 1146803), (35, 819145), (85, 337295), (115, 249305), (119, 240925), (161, 178075), (175, 163829), (391, 73325), (419, 68425), (425, 67459), (575, 49861), (595, 48185), (805, 35615), (1955, 14665), (2095, 13685), (2737, 10475), (2933, 9775), (2975, 9637), (4025, 7123)]