2787892990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{2143}}^1$

素因数の和:2377

約数の個数: 64

約数和(自身を含む): 5446103040

約数和(自身を除く): 2658210050

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 167, 190, 205, 334, 410, 779, 835, 1558, 1670, 2143, 3173, 3895, 4286, 6346, 6847, 7790, 10715, 13694, 15865, 21430, 31730, 34235, 40717, 68470, 81434, 87863, 130093, 175726, 203585, 260186, 357881, 407170, 439315, 650465, 715762, 878630, 1300930, 1669397, 1789405, 3338794, 3578810, 6799739, 8346985, 13599478, 14673121, 16693970, 29346242, 33998695, 67997390, 73365605, 146731210, 278789299, 557578598, 1393946495, 2787892990]

約数ペア:

[(1, 2787892990), (2, 1393946495), (5, 557578598), (10, 278789299), (19, 146731210), (38, 73365605), (41, 67997390), (82, 33998695), (95, 29346242), (167, 16693970), (190, 14673121), (205, 13599478), (334, 8346985), (410, 6799739), (779, 3578810), (835, 3338794), (1558, 1789405), (1670, 1669397), (2143, 1300930), (3173, 878630), (3895, 715762), (4286, 650465), (6346, 439315), (6847, 407170), (7790, 357881), (10715, 260186), (13694, 203585), (15865, 175726), (21430, 130093), (31730, 87863), (34235, 81434), (40717, 68470)]