840142240

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{1061}}^1$

素因数の和:1191

約数の個数: 144

約数和(自身を含む): 2333948904

約数和(自身を除く): 1493806664

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 101, 112, 140, 160, 196, 202, 224, 245, 280, 392, 404, 490, 505, 560, 707, 784, 808, 980, 1010, 1061, 1120, 1414, 1568, 1616, 1960, 2020, 2122, 2828, 3232, 3535, 3920, 4040, 4244, 4949, 5305, 5656, 7070, 7427, 7840, 8080, 8488, 9898, 10610, 11312, 14140, 14854, 16160, 16976, 19796, 21220, 22624, 24745, 28280, 29708, 33952, 37135, 39592, 42440, 49490, 51989, 56560, 59416, 74270, 79184, 84880, 98980, 103978, 107161, 113120, 118832, 148540, 158368, 169760, 197960, 207956, 214322, 237664, 259945, 297080, 395920, 415912, 428644, 519890, 535805, 594160, 750127, 791840, 831824, 857288, 1039780, 1071610, 1188320, 1500254, 1663648, 1714576, 2079560, 2143220, 3000508, 3429152, 3750635, 4159120, 4286440, 5250889, 6001016, 7501270, 8318240, 8572880, 10501778, 12002032, 15002540, 17145760, 21003556, 24004064, 26254445, 30005080, 42007112, 52508890, 60010160, 84014224, 105017780, 120020320, 168028448, 210035560, 420071120, 840142240]

約数ペア:

[(1, 840142240), (2, 420071120), (4, 210035560), (5, 168028448), (7, 120020320), (8, 105017780), (10, 84014224), (14, 60010160), (16, 52508890), (20, 42007112), (28, 30005080), (32, 26254445), (35, 24004064), (40, 21003556), (49, 17145760), (56, 15002540), (70, 12002032), (80, 10501778), (98, 8572880), (101, 8318240), (112, 7501270), (140, 6001016), (160, 5250889), (196, 4286440), (202, 4159120), (224, 3750635), (245, 3429152), (280, 3000508), (392, 2143220), (404, 2079560), (490, 1714576), (505, 1663648), (560, 1500254), (707, 1188320), (784, 1071610), (808, 1039780), (980, 857288), (1010, 831824), (1061, 791840), (1120, 750127), (1414, 594160), (1568, 535805), (1616, 519890), (1960, 428644), (2020, 415912), (2122, 395920), (2828, 297080), (3232, 259945), (3535, 237664), (3920, 214322), (4040, 207956), (4244, 197960), (4949, 169760), (5305, 158368), (5656, 148540), (7070, 118832), (7427, 113120), (7840, 107161), (8080, 103978), (8488, 98980), (9898, 84880), (10610, 79184), (11312, 74270), (14140, 59416), (14854, 56560), (16160, 51989), (16976, 49490), (19796, 42440), (21220, 39592), (22624, 37135), (24745, 33952), (28280, 29708)]