139384760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{761}}^1$

素因数の和:1032

約数の個数: 64

約数和(自身を含む): 331927200

約数和(自身を除く): 192542440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 241, 380, 482, 760, 761, 964, 1205, 1522, 1928, 2410, 3044, 3805, 4579, 4820, 6088, 7610, 9158, 9640, 14459, 15220, 18316, 22895, 28918, 30440, 36632, 45790, 57836, 72295, 91580, 115672, 144590, 183160, 183401, 289180, 366802, 578360, 733604, 917005, 1467208, 1834010, 3484619, 3668020, 6969238, 7336040, 13938476, 17423095, 27876952, 34846190, 69692380, 139384760]

約数ペア:

[(1, 139384760), (2, 69692380), (4, 34846190), (5, 27876952), (8, 17423095), (10, 13938476), (19, 7336040), (20, 6969238), (38, 3668020), (40, 3484619), (76, 1834010), (95, 1467208), (152, 917005), (190, 733604), (241, 578360), (380, 366802), (482, 289180), (760, 183401), (761, 183160), (964, 144590), (1205, 115672), (1522, 91580), (1928, 72295), (2410, 57836), (3044, 45790), (3805, 36632), (4579, 30440), (4820, 28918), (6088, 22895), (7610, 18316), (9158, 15220), (9640, 14459)]