769804520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{367}}^1\times {\mathrm{1279}}^1$

素因数の和:1698

約数の個数: 64

約数和(自身を含む): 1780531200

約数和(自身を除く): 1010726680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 367, 410, 734, 820, 1279, 1468, 1640, 1835, 2558, 2936, 3670, 5116, 6395, 7340, 10232, 12790, 14680, 15047, 25580, 30094, 51160, 52439, 60188, 75235, 104878, 120376, 150470, 209756, 262195, 300940, 419512, 469393, 524390, 601880, 938786, 1048780, 1877572, 2097560, 2346965, 3755144, 4693930, 9387860, 18775720, 19245113, 38490226, 76980452, 96225565, 153960904, 192451130, 384902260, 769804520]

約数ペア:

[(1, 769804520), (2, 384902260), (4, 192451130), (5, 153960904), (8, 96225565), (10, 76980452), (20, 38490226), (40, 19245113), (41, 18775720), (82, 9387860), (164, 4693930), (205, 3755144), (328, 2346965), (367, 2097560), (410, 1877572), (734, 1048780), (820, 938786), (1279, 601880), (1468, 524390), (1640, 469393), (1835, 419512), (2558, 300940), (2936, 262195), (3670, 209756), (5116, 150470), (6395, 120376), (7340, 104878), (10232, 75235), (12790, 60188), (14680, 52439), (15047, 51160), (25580, 30094)]