78291260

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1\times {\mathrm{439}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 169942080

約数和(自身を除く): 91650820

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 241, 370, 439, 482, 740, 878, 964, 1205, 1756, 2195, 2410, 4390, 4820, 8780, 8917, 16243, 17834, 32486, 35668, 44585, 64972, 81215, 89170, 105799, 162430, 178340, 211598, 324860, 423196, 528995, 1057990, 2115980, 3914563, 7829126, 15658252, 19572815, 39145630, 78291260]

約数ペア:

[(1, 78291260), (2, 39145630), (4, 19572815), (5, 15658252), (10, 7829126), (20, 3914563), (37, 2115980), (74, 1057990), (148, 528995), (185, 423196), (241, 324860), (370, 211598), (439, 178340), (482, 162430), (740, 105799), (878, 89170), (964, 81215), (1205, 64972), (1756, 44585), (2195, 35668), (2410, 32486), (4390, 17834), (4820, 16243), (8780, 8917)]