2023681640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{761}}^1\times {\mathrm{3499}}^1$

素因数の和:4290

約数の個数: 64

約数和(自身を含む): 4800600000

約数和(自身を除く): 2776918360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 761, 1522, 3044, 3499, 3805, 6088, 6998, 7610, 13996, 14459, 15220, 17495, 27992, 28918, 30440, 34990, 57836, 66481, 69980, 72295, 115672, 132962, 139960, 144590, 265924, 289180, 332405, 531848, 578360, 664810, 1329620, 2659240, 2662739, 5325478, 10650956, 13313695, 21301912, 26627390, 50592041, 53254780, 101184082, 106509560, 202368164, 252960205, 404736328, 505920410, 1011840820, 2023681640]

約数ペア:

[(1, 2023681640), (2, 1011840820), (4, 505920410), (5, 404736328), (8, 252960205), (10, 202368164), (19, 106509560), (20, 101184082), (38, 53254780), (40, 50592041), (76, 26627390), (95, 21301912), (152, 13313695), (190, 10650956), (380, 5325478), (760, 2662739), (761, 2659240), (1522, 1329620), (3044, 664810), (3499, 578360), (3805, 531848), (6088, 332405), (6998, 289180), (7610, 265924), (13996, 144590), (14459, 139960), (15220, 132962), (17495, 115672), (27992, 72295), (28918, 69980), (30440, 66481), (34990, 57836)]