194904380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{1873}}^1$

素因数の和:1947

約数の個数: 72

約数和(自身を含む): 460599216

約数和(自身を除く): 265694836

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 121, 172, 215, 220, 242, 430, 473, 484, 605, 860, 946, 1210, 1873, 1892, 2365, 2420, 3746, 4730, 5203, 7492, 9365, 9460, 10406, 18730, 20603, 20812, 26015, 37460, 41206, 52030, 80539, 82412, 103015, 104060, 161078, 206030, 226633, 322156, 402695, 412060, 453266, 805390, 885929, 906532, 1133165, 1610780, 1771858, 2266330, 3543716, 4429645, 4532660, 8859290, 9745219, 17718580, 19490438, 38980876, 48726095, 97452190, 194904380]

約数ペア:

[(1, 194904380), (2, 97452190), (4, 48726095), (5, 38980876), (10, 19490438), (11, 17718580), (20, 9745219), (22, 8859290), (43, 4532660), (44, 4429645), (55, 3543716), (86, 2266330), (110, 1771858), (121, 1610780), (172, 1133165), (215, 906532), (220, 885929), (242, 805390), (430, 453266), (473, 412060), (484, 402695), (605, 322156), (860, 226633), (946, 206030), (1210, 161078), (1873, 104060), (1892, 103015), (2365, 82412), (2420, 80539), (3746, 52030), (4730, 41206), (5203, 37460), (7492, 26015), (9365, 20812), (9460, 20603), (10406, 18730)]