39479720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:259

約数の個数: 128

約数和(自身を含む): 110073600

約数和(自身を除く): 70593880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 41, 56, 70, 76, 82, 95, 133, 140, 152, 164, 181, 190, 205, 266, 280, 287, 328, 362, 380, 410, 532, 574, 665, 724, 760, 779, 820, 905, 1064, 1148, 1267, 1330, 1435, 1448, 1558, 1640, 1810, 2296, 2534, 2660, 2870, 3116, 3439, 3620, 3895, 5068, 5320, 5453, 5740, 6232, 6335, 6878, 7240, 7421, 7790, 10136, 10906, 11480, 12670, 13756, 14842, 15580, 17195, 21812, 24073, 25340, 27265, 27512, 29684, 31160, 34390, 37105, 43624, 48146, 50680, 51947, 54530, 59368, 68780, 74210, 96292, 103894, 109060, 120365, 137560, 140999, 148420, 192584, 207788, 218120, 240730, 259735, 281998, 296840, 415576, 481460, 519470, 563996, 704995, 962920, 986993, 1038940, 1127992, 1409990, 1973986, 2077880, 2819980, 3947972, 4934965, 5639960, 7895944, 9869930, 19739860, 39479720]

約数ペア:

[(1, 39479720), (2, 19739860), (4, 9869930), (5, 7895944), (7, 5639960), (8, 4934965), (10, 3947972), (14, 2819980), (19, 2077880), (20, 1973986), (28, 1409990), (35, 1127992), (38, 1038940), (40, 986993), (41, 962920), (56, 704995), (70, 563996), (76, 519470), (82, 481460), (95, 415576), (133, 296840), (140, 281998), (152, 259735), (164, 240730), (181, 218120), (190, 207788), (205, 192584), (266, 148420), (280, 140999), (287, 137560), (328, 120365), (362, 109060), (380, 103894), (410, 96292), (532, 74210), (574, 68780), (665, 59368), (724, 54530), (760, 51947), (779, 50680), (820, 48146), (905, 43624), (1064, 37105), (1148, 34390), (1267, 31160), (1330, 29684), (1435, 27512), (1448, 27265), (1558, 25340), (1640, 24073), (1810, 21812), (2296, 17195), (2534, 15580), (2660, 14842), (2870, 13756), (3116, 12670), (3439, 11480), (3620, 10906), (3895, 10136), (5068, 7790), (5320, 7421), (5453, 7240), (5740, 6878), (6232, 6335)]