1817591380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:386

約数の個数: 192

約数和(自身を含む): 4643702784

約数和(自身を除く): 2826111404

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 31, 34, 44, 55, 61, 62, 68, 85, 110, 122, 124, 155, 170, 187, 220, 244, 257, 305, 310, 340, 341, 374, 514, 527, 610, 620, 671, 682, 748, 935, 1028, 1037, 1054, 1220, 1285, 1342, 1364, 1705, 1870, 1891, 2074, 2108, 2570, 2635, 2684, 2827, 3355, 3410, 3740, 3782, 4148, 4369, 5140, 5185, 5270, 5654, 5797, 6710, 6820, 7564, 7967, 8738, 9455, 10370, 10540, 11308, 11407, 11594, 13420, 14135, 15677, 15934, 17476, 18910, 20740, 20801, 21845, 22814, 23188, 28270, 28985, 31354, 31868, 32147, 37820, 39835, 41602, 43690, 45628, 48059, 56540, 57035, 57970, 62708, 64294, 78385, 79670, 83204, 87380, 87637, 96118, 104005, 114070, 115940, 128588, 135439, 156770, 159340, 160735, 172447, 175274, 192236, 208010, 228140, 240295, 266509, 270878, 313540, 321470, 344894, 350548, 353617, 416020, 438185, 480590, 485987, 533018, 541756, 642940, 677195, 689788, 707234, 862235, 876370, 961180, 971974, 1066036, 1332545, 1354390, 1414468, 1489829, 1724470, 1752740, 1768085, 1943948, 2429935, 2665090, 2708780, 2931599, 2979658, 3448940, 3536170, 4859870, 5330180, 5345857, 5863198, 5959316, 7072340, 7449145, 8261779, 9719740, 10691714, 11726396, 14657995, 14898290, 16523558, 21383428, 26729285, 29315990, 29796580, 33047116, 41308895, 53458570, 58631980, 82617790, 90879569, 106917140, 165235580, 181759138, 363518276, 454397845, 908795690, 1817591380]

約数ペア:

[(1, 1817591380), (2, 908795690), (4, 454397845), (5, 363518276), (10, 181759138), (11, 165235580), (17, 106917140), (20, 90879569), (22, 82617790), (31, 58631980), (34, 53458570), (44, 41308895), (55, 33047116), (61, 29796580), (62, 29315990), (68, 26729285), (85, 21383428), (110, 16523558), (122, 14898290), (124, 14657995), (155, 11726396), (170, 10691714), (187, 9719740), (220, 8261779), (244, 7449145), (257, 7072340), (305, 5959316), (310, 5863198), (340, 5345857), (341, 5330180), (374, 4859870), (514, 3536170), (527, 3448940), (610, 2979658), (620, 2931599), (671, 2708780), (682, 2665090), (748, 2429935), (935, 1943948), (1028, 1768085), (1037, 1752740), (1054, 1724470), (1220, 1489829), (1285, 1414468), (1342, 1354390), (1364, 1332545), (1705, 1066036), (1870, 971974), (1891, 961180), (2074, 876370), (2108, 862235), (2570, 707234), (2635, 689788), (2684, 677195), (2827, 642940), (3355, 541756), (3410, 533018), (3740, 485987), (3782, 480590), (4148, 438185), (4369, 416020), (5140, 353617), (5185, 350548), (5270, 344894), (5654, 321470), (5797, 313540), (6710, 270878), (6820, 266509), (7564, 240295), (7967, 228140), (8738, 208010), (9455, 192236), (10370, 175274), (10540, 172447), (11308, 160735), (11407, 159340), (11594, 156770), (13420, 135439), (14135, 128588), (15677, 115940), (15934, 114070), (17476, 104005), (18910, 96118), (20740, 87637), (20801, 87380), (21845, 83204), (22814, 79670), (23188, 78385), (28270, 64294), (28985, 62708), (31354, 57970), (31868, 57035), (32147, 56540), (37820, 48059), (39835, 45628), (41602, 43690)]