2912559020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{156421}}^1$

素因数の和:156463

約数の個数: 72

約数和(自身を含む): 7489485360

約数和(自身を除く): 4576926340

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 931, 980, 1330, 1862, 2660, 3724, 4655, 9310, 18620, 156421, 312842, 625684, 782105, 1094947, 1564210, 2189894, 2971999, 3128420, 4379788, 5474735, 5943998, 7664629, 10949470, 11887996, 14859995, 15329258, 20803993, 21898940, 29719990, 30658516, 38323145, 41607986, 59439980, 76646290, 83215972, 104019965, 145627951, 153292580, 208039930, 291255902, 416079860, 582511804, 728139755, 1456279510, 2912559020]

約数ペア:

[(1, 2912559020), (2, 1456279510), (4, 728139755), (5, 582511804), (7, 416079860), (10, 291255902), (14, 208039930), (19, 153292580), (20, 145627951), (28, 104019965), (35, 83215972), (38, 76646290), (49, 59439980), (70, 41607986), (76, 38323145), (95, 30658516), (98, 29719990), (133, 21898940), (140, 20803993), (190, 15329258), (196, 14859995), (245, 11887996), (266, 10949470), (380, 7664629), (490, 5943998), (532, 5474735), (665, 4379788), (931, 3128420), (980, 2971999), (1330, 2189894), (1862, 1564210), (2660, 1094947), (3724, 782105), (4655, 625684), (9310, 312842), (18620, 156421)]