199709640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1$

素因数の和:476

約数の個数: 192

約数和(自身を含む): 706305600

約数和(自身を除く): 506595960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 139, 156, 180, 195, 234, 260, 278, 307, 312, 360, 390, 417, 468, 520, 556, 585, 614, 695, 780, 834, 921, 936, 1112, 1170, 1228, 1251, 1390, 1535, 1560, 1668, 1807, 1842, 2085, 2340, 2456, 2502, 2763, 2780, 3070, 3336, 3614, 3684, 3991, 4170, 4605, 4680, 5004, 5421, 5526, 5560, 6140, 6255, 7228, 7368, 7982, 8340, 9035, 9210, 10008, 10842, 11052, 11973, 12280, 12510, 13815, 14456, 15964, 16263, 16680, 18070, 18420, 19955, 21684, 22104, 23946, 25020, 27105, 27630, 31928, 32526, 35919, 36140, 36840, 39910, 42673, 43368, 47892, 50040, 54210, 55260, 59865, 65052, 71838, 72280, 79820, 81315, 85346, 95784, 108420, 110520, 119730, 128019, 130104, 143676, 159640, 162630, 170692, 179595, 213365, 216840, 239460, 256038, 287352, 325260, 341384, 359190, 384057, 426730, 478920, 512076, 554749, 640095, 650520, 718380, 768114, 853460, 1024152, 1109498, 1280190, 1436760, 1536228, 1664247, 1706920, 1920285, 2218996, 2560380, 2773745, 3072456, 3328494, 3840570, 4437992, 4992741, 5120760, 5547490, 6656988, 7681140, 8321235, 9985482, 11094980, 13313976, 15362280, 16642470, 19970964, 22189960, 24963705, 33284940, 39941928, 49927410, 66569880, 99854820, 199709640]

約数ペア:

[(1, 199709640), (2, 99854820), (3, 66569880), (4, 49927410), (5, 39941928), (6, 33284940), (8, 24963705), (9, 22189960), (10, 19970964), (12, 16642470), (13, 15362280), (15, 13313976), (18, 11094980), (20, 9985482), (24, 8321235), (26, 7681140), (30, 6656988), (36, 5547490), (39, 5120760), (40, 4992741), (45, 4437992), (52, 3840570), (60, 3328494), (65, 3072456), (72, 2773745), (78, 2560380), (90, 2218996), (104, 1920285), (117, 1706920), (120, 1664247), (130, 1536228), (139, 1436760), (156, 1280190), (180, 1109498), (195, 1024152), (234, 853460), (260, 768114), (278, 718380), (307, 650520), (312, 640095), (360, 554749), (390, 512076), (417, 478920), (468, 426730), (520, 384057), (556, 359190), (585, 341384), (614, 325260), (695, 287352), (780, 256038), (834, 239460), (921, 216840), (936, 213365), (1112, 179595), (1170, 170692), (1228, 162630), (1251, 159640), (1390, 143676), (1535, 130104), (1560, 128019), (1668, 119730), (1807, 110520), (1842, 108420), (2085, 95784), (2340, 85346), (2456, 81315), (2502, 79820), (2763, 72280), (2780, 71838), (3070, 65052), (3336, 59865), (3614, 55260), (3684, 54210), (3991, 50040), (4170, 47892), (4605, 43368), (4680, 42673), (5004, 39910), (5421, 36840), (5526, 36140), (5560, 35919), (6140, 32526), (6255, 31928), (7228, 27630), (7368, 27105), (7982, 25020), (8340, 23946), (9035, 22104), (9210, 21684), (10008, 19955), (10842, 18420), (11052, 18070), (11973, 16680), (12280, 16263), (12510, 15964), (13815, 14456)]