74561975

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:200

約数の個数: 48

約数和(自身を含む): 102850560

約数和(自身を除く): 28288585

約数列:

[1, 5, 23, 25, 31, 47, 89, 115, 155, 235, 445, 575, 713, 775, 1081, 1175, 1457, 2047, 2225, 2759, 3565, 4183, 5405, 7285, 10235, 13795, 17825, 20915, 27025, 33511, 36425, 51175, 63457, 68975, 96209, 104575, 129673, 167555, 317285, 481045, 648365, 837775, 1586425, 2405225, 2982479, 3241825, 14912395, 74561975]

約数ペア:

[(1, 74561975), (5, 14912395), (23, 3241825), (25, 2982479), (31, 2405225), (47, 1586425), (89, 837775), (115, 648365), (155, 481045), (235, 317285), (445, 167555), (575, 129673), (713, 104575), (775, 96209), (1081, 68975), (1175, 63457), (1457, 51175), (2047, 36425), (2225, 33511), (2759, 27025), (3565, 20915), (4183, 17825), (5405, 13795), (7285, 10235)]