219994060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:204

約数の個数: 144

約数和(自身を含む): 560401632

約数和(自身を除く): 340407572

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 61, 65, 97, 110, 122, 130, 143, 169, 194, 220, 244, 260, 286, 305, 338, 388, 485, 572, 610, 671, 676, 715, 793, 845, 970, 1067, 1220, 1261, 1342, 1430, 1586, 1690, 1859, 1940, 2134, 2522, 2684, 2860, 3172, 3355, 3380, 3718, 3965, 4268, 5044, 5335, 5917, 6305, 6710, 7436, 7930, 8723, 9295, 10309, 10670, 11834, 12610, 13420, 13871, 15860, 16393, 17446, 18590, 20618, 21340, 23668, 25220, 27742, 29585, 32786, 34892, 37180, 41236, 43615, 51545, 55484, 59170, 65087, 65572, 69355, 76921, 81965, 87230, 103090, 113399, 118340, 130174, 138710, 153842, 163930, 174460, 180323, 206180, 226798, 260348, 277420, 307684, 325435, 327860, 360646, 384605, 453596, 566995, 650870, 721292, 769210, 846131, 901615, 999973, 1133990, 1301740, 1538420, 1692262, 1803230, 1999946, 2267980, 3384524, 3606460, 3999892, 4230655, 4999865, 8461310, 9999730, 10999703, 16922620, 19999460, 21999406, 43998812, 54998515, 109997030, 219994060]

約数ペア:

[(1, 219994060), (2, 109997030), (4, 54998515), (5, 43998812), (10, 21999406), (11, 19999460), (13, 16922620), (20, 10999703), (22, 9999730), (26, 8461310), (44, 4999865), (52, 4230655), (55, 3999892), (61, 3606460), (65, 3384524), (97, 2267980), (110, 1999946), (122, 1803230), (130, 1692262), (143, 1538420), (169, 1301740), (194, 1133990), (220, 999973), (244, 901615), (260, 846131), (286, 769210), (305, 721292), (338, 650870), (388, 566995), (485, 453596), (572, 384605), (610, 360646), (671, 327860), (676, 325435), (715, 307684), (793, 277420), (845, 260348), (970, 226798), (1067, 206180), (1220, 180323), (1261, 174460), (1342, 163930), (1430, 153842), (1586, 138710), (1690, 130174), (1859, 118340), (1940, 113399), (2134, 103090), (2522, 87230), (2684, 81965), (2860, 76921), (3172, 69355), (3355, 65572), (3380, 65087), (3718, 59170), (3965, 55484), (4268, 51545), (5044, 43615), (5335, 41236), (5917, 37180), (6305, 34892), (6710, 32786), (7436, 29585), (7930, 27742), (8723, 25220), (9295, 23668), (10309, 21340), (10670, 20618), (11834, 18590), (12610, 17446), (13420, 16393), (13871, 15860)]