273440360

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{3931}}^1$

素因数の和:4026

約数の個数: 64

約数和(自身を含む): 645477120

約数和(自身を除く): 372036760

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 47, 74, 94, 148, 185, 188, 235, 296, 370, 376, 470, 740, 940, 1480, 1739, 1880, 3478, 3931, 6956, 7862, 8695, 13912, 15724, 17390, 19655, 31448, 34780, 39310, 69560, 78620, 145447, 157240, 184757, 290894, 369514, 581788, 727235, 739028, 923785, 1163576, 1454470, 1478056, 1847570, 2908940, 3695140, 5817880, 6836009, 7390280, 13672018, 27344036, 34180045, 54688072, 68360090, 136720180, 273440360]

約数ペア:

[(1, 273440360), (2, 136720180), (4, 68360090), (5, 54688072), (8, 34180045), (10, 27344036), (20, 13672018), (37, 7390280), (40, 6836009), (47, 5817880), (74, 3695140), (94, 2908940), (148, 1847570), (185, 1478056), (188, 1454470), (235, 1163576), (296, 923785), (370, 739028), (376, 727235), (470, 581788), (740, 369514), (940, 290894), (1480, 184757), (1739, 157240), (1880, 145447), (3478, 78620), (3931, 69560), (6956, 39310), (7862, 34780), (8695, 31448), (13912, 19655), (15724, 17390)]