219044920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{587}}^1$

素因数の和:1108

約数の個数: 64

約数和(自身を含む): 520732800

約数和(自身を除く): 301687880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 491, 587, 760, 982, 1174, 1964, 2348, 2455, 2935, 3928, 4696, 4910, 5870, 9329, 9820, 11153, 11740, 18658, 19640, 22306, 23480, 37316, 44612, 46645, 55765, 74632, 89224, 93290, 111530, 186580, 223060, 288217, 373160, 446120, 576434, 1152868, 1441085, 2305736, 2882170, 5476123, 5764340, 10952246, 11528680, 21904492, 27380615, 43808984, 54761230, 109522460, 219044920]

約数ペア:

[(1, 219044920), (2, 109522460), (4, 54761230), (5, 43808984), (8, 27380615), (10, 21904492), (19, 11528680), (20, 10952246), (38, 5764340), (40, 5476123), (76, 2882170), (95, 2305736), (152, 1441085), (190, 1152868), (380, 576434), (491, 446120), (587, 373160), (760, 288217), (982, 223060), (1174, 186580), (1964, 111530), (2348, 93290), (2455, 89224), (2935, 74632), (3928, 55765), (4696, 46645), (4910, 44612), (5870, 37316), (9329, 23480), (9820, 22306), (11153, 19640), (11740, 18658)]