217491450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{521}}^1$

素因数の和:581

約数の個数: 144

約数和(自身を含む): 619835328

約数和(自身を除く): 402343878

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 23, 25, 30, 33, 46, 50, 55, 66, 69, 75, 110, 115, 121, 138, 150, 165, 230, 242, 253, 275, 330, 345, 363, 506, 521, 550, 575, 605, 690, 726, 759, 825, 1042, 1150, 1210, 1265, 1518, 1563, 1650, 1725, 1815, 2530, 2605, 2783, 3025, 3126, 3450, 3630, 3795, 5210, 5566, 5731, 6050, 6325, 7590, 7815, 8349, 9075, 11462, 11983, 12650, 13025, 13915, 15630, 16698, 17193, 18150, 18975, 23966, 26050, 27830, 28655, 34386, 35949, 37950, 39075, 41745, 57310, 59915, 63041, 69575, 71898, 78150, 83490, 85965, 119830, 126082, 131813, 139150, 143275, 171930, 179745, 189123, 208725, 263626, 286550, 299575, 315205, 359490, 378246, 395439, 417450, 429825, 599150, 630410, 659065, 790878, 859650, 898725, 945615, 1318130, 1449943, 1576025, 1797450, 1891230, 1977195, 2899886, 3152050, 3295325, 3954390, 4349829, 4728075, 6590650, 7249715, 8699658, 9456150, 9885975, 14499430, 19771950, 21749145, 36248575, 43498290, 72497150, 108745725, 217491450]

約数ペア:

[(1, 217491450), (2, 108745725), (3, 72497150), (5, 43498290), (6, 36248575), (10, 21749145), (11, 19771950), (15, 14499430), (22, 9885975), (23, 9456150), (25, 8699658), (30, 7249715), (33, 6590650), (46, 4728075), (50, 4349829), (55, 3954390), (66, 3295325), (69, 3152050), (75, 2899886), (110, 1977195), (115, 1891230), (121, 1797450), (138, 1576025), (150, 1449943), (165, 1318130), (230, 945615), (242, 898725), (253, 859650), (275, 790878), (330, 659065), (345, 630410), (363, 599150), (506, 429825), (521, 417450), (550, 395439), (575, 378246), (605, 359490), (690, 315205), (726, 299575), (759, 286550), (825, 263626), (1042, 208725), (1150, 189123), (1210, 179745), (1265, 171930), (1518, 143275), (1563, 139150), (1650, 131813), (1725, 126082), (1815, 119830), (2530, 85965), (2605, 83490), (2783, 78150), (3025, 71898), (3126, 69575), (3450, 63041), (3630, 59915), (3795, 57310), (5210, 41745), (5566, 39075), (5731, 37950), (6050, 35949), (6325, 34386), (7590, 28655), (7815, 27830), (8349, 26050), (9075, 23966), (11462, 18975), (11983, 18150), (12650, 17193), (13025, 16698), (13915, 15630)]