287789390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{1433}}^1$

素因数の和:1617

約数の個数: 64

約数和(自身を含む): 627747840

約数和(自身を除く): 339958450

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 151, 190, 266, 302, 665, 755, 1057, 1330, 1433, 1510, 2114, 2866, 2869, 5285, 5738, 7165, 10031, 10570, 14330, 14345, 20062, 20083, 27227, 28690, 40166, 50155, 54454, 100310, 100415, 136135, 190589, 200830, 216383, 272270, 381178, 432766, 952945, 1081915, 1514681, 1905890, 2163830, 3029362, 4111277, 7573405, 8222554, 15146810, 20556385, 28778939, 41112770, 57557878, 143894695, 287789390]

約数ペア:

[(1, 287789390), (2, 143894695), (5, 57557878), (7, 41112770), (10, 28778939), (14, 20556385), (19, 15146810), (35, 8222554), (38, 7573405), (70, 4111277), (95, 3029362), (133, 2163830), (151, 1905890), (190, 1514681), (266, 1081915), (302, 952945), (665, 432766), (755, 381178), (1057, 272270), (1330, 216383), (1433, 200830), (1510, 190589), (2114, 136135), (2866, 100415), (2869, 100310), (5285, 54454), (5738, 50155), (7165, 40166), (10031, 28690), (10570, 27227), (14330, 20083), (14345, 20062)]