27986050

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{331}}^1$

素因数の和:451

約数の個数: 48

約数和(自身を含む): 55576800

約数和(自身を除く): 27590750

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 89, 95, 178, 190, 331, 445, 475, 662, 890, 950, 1655, 1691, 2225, 3310, 3382, 4450, 6289, 8275, 8455, 12578, 16550, 16910, 29459, 31445, 42275, 58918, 62890, 84550, 147295, 157225, 294590, 314450, 559721, 736475, 1119442, 1472950, 2798605, 5597210, 13993025, 27986050]

約数ペア:

[(1, 27986050), (2, 13993025), (5, 5597210), (10, 2798605), (19, 1472950), (25, 1119442), (38, 736475), (50, 559721), (89, 314450), (95, 294590), (178, 157225), (190, 147295), (331, 84550), (445, 62890), (475, 58918), (662, 42275), (890, 31445), (950, 29459), (1655, 16910), (1691, 16550), (2225, 12578), (3310, 8455), (3382, 8275), (4450, 6289)]