377977960

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{1597}}^1$

素因数の和:1766

約数の個数: 64

約数和(自身を含む): 873850320

約数和(自身を除く): 495872360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 97, 122, 194, 244, 305, 388, 485, 488, 610, 776, 970, 1220, 1597, 1940, 2440, 3194, 3880, 5917, 6388, 7985, 11834, 12776, 15970, 23668, 29585, 31940, 47336, 59170, 63880, 97417, 118340, 154909, 194834, 236680, 309818, 389668, 487085, 619636, 774545, 779336, 974170, 1239272, 1549090, 1948340, 3098180, 3896680, 6196360, 9449449, 18898898, 37797796, 47247245, 75595592, 94494490, 188988980, 377977960]

約数ペア:

[(1, 377977960), (2, 188988980), (4, 94494490), (5, 75595592), (8, 47247245), (10, 37797796), (20, 18898898), (40, 9449449), (61, 6196360), (97, 3896680), (122, 3098180), (194, 1948340), (244, 1549090), (305, 1239272), (388, 974170), (485, 779336), (488, 774545), (610, 619636), (776, 487085), (970, 389668), (1220, 309818), (1597, 236680), (1940, 194834), (2440, 154909), (3194, 118340), (3880, 97417), (5917, 63880), (6388, 59170), (7985, 47336), (11834, 31940), (12776, 29585), (15970, 23668)]