1902720988

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1\times {\mathrm{379}}^1$

素因数の和:659

約数の個数: 96

約数和(自身を含む): 4136832000

約数和(自身を除く): 2234111012

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 53, 68, 106, 119, 199, 212, 238, 371, 379, 398, 476, 742, 758, 796, 901, 1393, 1484, 1516, 1802, 2653, 2786, 3383, 3604, 5306, 5572, 6307, 6443, 6766, 10547, 10612, 12614, 12886, 13532, 20087, 21094, 23681, 25228, 25772, 40174, 42188, 45101, 47362, 73829, 75421, 80348, 90202, 94724, 140609, 147658, 150842, 179299, 180404, 281218, 295316, 301684, 341479, 358598, 527947, 562436, 682958, 717196, 1055894, 1255093, 1282157, 1365916, 2111788, 2390353, 2510186, 2564314, 3997313, 4780706, 5020372, 5128628, 7994626, 8975099, 9561412, 15989252, 17950198, 27981191, 35900396, 55962382, 67954321, 111924764, 135908642, 271817284, 475680247, 951360494, 1902720988]

約数ペア:

[(1, 1902720988), (2, 951360494), (4, 475680247), (7, 271817284), (14, 135908642), (17, 111924764), (28, 67954321), (34, 55962382), (53, 35900396), (68, 27981191), (106, 17950198), (119, 15989252), (199, 9561412), (212, 8975099), (238, 7994626), (371, 5128628), (379, 5020372), (398, 4780706), (476, 3997313), (742, 2564314), (758, 2510186), (796, 2390353), (901, 2111788), (1393, 1365916), (1484, 1282157), (1516, 1255093), (1802, 1055894), (2653, 717196), (2786, 682958), (3383, 562436), (3604, 527947), (5306, 358598), (5572, 341479), (6307, 301684), (6443, 295316), (6766, 281218), (10547, 180404), (10612, 179299), (12614, 150842), (12886, 147658), (13532, 140609), (20087, 94724), (21094, 90202), (23681, 80348), (25228, 75421), (25772, 73829), (40174, 47362), (42188, 45101)]