138749800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:216

約数の個数: 192

約数和(自身を含む): 399974400

約数和(自身を除く): 261224600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 25, 28, 31, 35, 40, 46, 50, 56, 62, 70, 92, 100, 115, 124, 139, 140, 155, 161, 175, 184, 200, 217, 230, 248, 278, 280, 310, 322, 350, 434, 460, 556, 575, 620, 644, 695, 700, 713, 775, 805, 868, 920, 973, 1085, 1112, 1150, 1240, 1288, 1390, 1400, 1426, 1550, 1610, 1736, 1946, 2170, 2300, 2780, 2852, 3100, 3197, 3220, 3475, 3565, 3892, 4025, 4309, 4340, 4600, 4865, 4991, 5425, 5560, 5704, 6200, 6394, 6440, 6950, 7130, 7784, 8050, 8618, 8680, 9730, 9982, 10850, 12788, 13900, 14260, 15985, 16100, 17236, 17825, 19460, 19964, 21545, 21700, 22379, 24325, 24955, 25576, 27800, 28520, 30163, 31970, 32200, 34472, 35650, 38920, 39928, 43090, 43400, 44758, 48650, 49910, 60326, 63940, 71300, 79925, 86180, 89516, 97300, 99107, 99820, 107725, 111895, 120652, 124775, 127880, 142600, 150815, 159850, 172360, 179032, 194600, 198214, 199640, 215450, 223790, 241304, 249550, 301630, 319700, 396428, 430900, 447580, 495535, 499100, 559475, 603260, 639400, 693749, 754075, 792856, 861800, 895160, 991070, 998200, 1118950, 1206520, 1387498, 1508150, 1982140, 2237900, 2477675, 2774996, 3016300, 3468745, 3964280, 4475800, 4955350, 5549992, 6032600, 6937490, 9910700, 13874980, 17343725, 19821400, 27749960, 34687450, 69374900, 138749800]

約数ペア:

[(1, 138749800), (2, 69374900), (4, 34687450), (5, 27749960), (7, 19821400), (8, 17343725), (10, 13874980), (14, 9910700), (20, 6937490), (23, 6032600), (25, 5549992), (28, 4955350), (31, 4475800), (35, 3964280), (40, 3468745), (46, 3016300), (50, 2774996), (56, 2477675), (62, 2237900), (70, 1982140), (92, 1508150), (100, 1387498), (115, 1206520), (124, 1118950), (139, 998200), (140, 991070), (155, 895160), (161, 861800), (175, 792856), (184, 754075), (200, 693749), (217, 639400), (230, 603260), (248, 559475), (278, 499100), (280, 495535), (310, 447580), (322, 430900), (350, 396428), (434, 319700), (460, 301630), (556, 249550), (575, 241304), (620, 223790), (644, 215450), (695, 199640), (700, 198214), (713, 194600), (775, 179032), (805, 172360), (868, 159850), (920, 150815), (973, 142600), (1085, 127880), (1112, 124775), (1150, 120652), (1240, 111895), (1288, 107725), (1390, 99820), (1400, 99107), (1426, 97300), (1550, 89516), (1610, 86180), (1736, 79925), (1946, 71300), (2170, 63940), (2300, 60326), (2780, 49910), (2852, 48650), (3100, 44758), (3197, 43400), (3220, 43090), (3475, 39928), (3565, 38920), (3892, 35650), (4025, 34472), (4309, 32200), (4340, 31970), (4600, 30163), (4865, 28520), (4991, 27800), (5425, 25576), (5560, 24955), (5704, 24325), (6200, 22379), (6394, 21700), (6440, 21545), (6950, 19964), (7130, 19460), (7784, 17825), (8050, 17236), (8618, 16100), (8680, 15985), (9730, 14260), (9982, 13900), (10850, 12788)]