212040400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{337}}^1$

素因数の和:390

約数の個数: 180

約数和(自身を含む): 604811116

約数和(自身を除く): 392770716

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 25, 26, 40, 44, 50, 52, 55, 65, 80, 88, 100, 104, 110, 121, 130, 143, 176, 200, 208, 220, 242, 260, 275, 286, 325, 337, 400, 440, 484, 520, 550, 572, 605, 650, 674, 715, 880, 968, 1040, 1100, 1144, 1210, 1300, 1348, 1430, 1573, 1685, 1936, 2200, 2288, 2420, 2600, 2696, 2860, 3025, 3146, 3370, 3575, 3707, 4381, 4400, 4840, 5200, 5392, 5720, 6050, 6292, 6740, 7150, 7414, 7865, 8425, 8762, 9680, 11440, 12100, 12584, 13480, 14300, 14828, 15730, 16850, 17524, 18535, 21905, 24200, 25168, 26960, 28600, 29656, 31460, 33700, 35048, 37070, 39325, 40777, 43810, 48191, 48400, 57200, 59312, 62920, 67400, 70096, 74140, 78650, 81554, 87620, 92675, 96382, 109525, 125840, 134800, 148280, 157300, 163108, 175240, 185350, 192764, 203885, 219050, 240955, 296560, 314600, 326216, 350480, 370700, 385528, 407770, 438100, 481910, 530101, 629200, 652432, 741400, 771056, 815540, 876200, 963820, 1019425, 1060202, 1204775, 1482800, 1631080, 1752400, 1927640, 2038850, 2120404, 2409550, 2650505, 3262160, 3855280, 4077700, 4240808, 4819100, 5301010, 8155400, 8481616, 9638200, 10602020, 13252525, 16310800, 19276400, 21204040, 26505050, 42408080, 53010100, 106020200, 212040400]

約数ペア:

[(1, 212040400), (2, 106020200), (4, 53010100), (5, 42408080), (8, 26505050), (10, 21204040), (11, 19276400), (13, 16310800), (16, 13252525), (20, 10602020), (22, 9638200), (25, 8481616), (26, 8155400), (40, 5301010), (44, 4819100), (50, 4240808), (52, 4077700), (55, 3855280), (65, 3262160), (80, 2650505), (88, 2409550), (100, 2120404), (104, 2038850), (110, 1927640), (121, 1752400), (130, 1631080), (143, 1482800), (176, 1204775), (200, 1060202), (208, 1019425), (220, 963820), (242, 876200), (260, 815540), (275, 771056), (286, 741400), (325, 652432), (337, 629200), (400, 530101), (440, 481910), (484, 438100), (520, 407770), (550, 385528), (572, 370700), (605, 350480), (650, 326216), (674, 314600), (715, 296560), (880, 240955), (968, 219050), (1040, 203885), (1100, 192764), (1144, 185350), (1210, 175240), (1300, 163108), (1348, 157300), (1430, 148280), (1573, 134800), (1685, 125840), (1936, 109525), (2200, 96382), (2288, 92675), (2420, 87620), (2600, 81554), (2696, 78650), (2860, 74140), (3025, 70096), (3146, 67400), (3370, 62920), (3575, 59312), (3707, 57200), (4381, 48400), (4400, 48191), (4840, 43810), (5200, 40777), (5392, 39325), (5720, 37070), (6050, 35048), (6292, 33700), (6740, 31460), (7150, 29656), (7414, 28600), (7865, 26960), (8425, 25168), (8762, 24200), (9680, 21905), (11440, 18535), (12100, 17524), (12584, 16850), (13480, 15730), (14300, 14828)]