19398958880

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{18061}}^1$

素因数の和:18227

約数の個数: 144

約数和(自身を含む): 53704611576

約数和(自身を除く): 34305652696

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 137, 140, 160, 196, 224, 245, 274, 280, 392, 490, 548, 560, 685, 784, 959, 980, 1096, 1120, 1370, 1568, 1918, 1960, 2192, 2740, 3836, 3920, 4384, 4795, 5480, 6713, 7672, 7840, 9590, 10960, 13426, 15344, 18061, 19180, 21920, 26852, 30688, 33565, 36122, 38360, 53704, 67130, 72244, 76720, 90305, 107408, 126427, 134260, 144488, 153440, 180610, 214816, 252854, 268520, 288976, 361220, 505708, 537040, 577952, 632135, 722440, 884989, 1011416, 1074080, 1264270, 1444880, 1769978, 2022832, 2474357, 2528540, 2889760, 3539956, 4045664, 4424945, 4948714, 5057080, 7079912, 8849890, 9897428, 10114160, 12371785, 14159824, 17320499, 17699780, 19794856, 20228320, 24743570, 28319648, 34640998, 35399560, 39589712, 49487140, 69281996, 70799120, 79179424, 86602495, 98974280, 121243493, 138563992, 141598240, 173204990, 197948560, 242486986, 277127984, 346409980, 395897120, 484973972, 554255968, 606217465, 692819960, 969947944, 1212434930, 1385639920, 1939895888, 2424869860, 2771279840, 3879791776, 4849739720, 9699479440, 19398958880]

約数ペア:

[(1, 19398958880), (2, 9699479440), (4, 4849739720), (5, 3879791776), (7, 2771279840), (8, 2424869860), (10, 1939895888), (14, 1385639920), (16, 1212434930), (20, 969947944), (28, 692819960), (32, 606217465), (35, 554255968), (40, 484973972), (49, 395897120), (56, 346409980), (70, 277127984), (80, 242486986), (98, 197948560), (112, 173204990), (137, 141598240), (140, 138563992), (160, 121243493), (196, 98974280), (224, 86602495), (245, 79179424), (274, 70799120), (280, 69281996), (392, 49487140), (490, 39589712), (548, 35399560), (560, 34640998), (685, 28319648), (784, 24743570), (959, 20228320), (980, 19794856), (1096, 17699780), (1120, 17320499), (1370, 14159824), (1568, 12371785), (1918, 10114160), (1960, 9897428), (2192, 8849890), (2740, 7079912), (3836, 5057080), (3920, 4948714), (4384, 4424945), (4795, 4045664), (5480, 3539956), (6713, 2889760), (7672, 2528540), (7840, 2474357), (9590, 2022832), (10960, 1769978), (13426, 1444880), (15344, 1264270), (18061, 1074080), (19180, 1011416), (21920, 884989), (26852, 722440), (30688, 632135), (33565, 577952), (36122, 537040), (38360, 505708), (53704, 361220), (67130, 288976), (72244, 268520), (76720, 252854), (90305, 214816), (107408, 180610), (126427, 153440), (134260, 144488)]