78604900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3761}}^1$

素因数の和:3805

約数の個数: 72

約数和(自身を含む): 195924960

約数和(自身を除く): 117320060

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 55, 76, 95, 100, 110, 190, 209, 220, 275, 380, 418, 475, 550, 836, 950, 1045, 1100, 1900, 2090, 3761, 4180, 5225, 7522, 10450, 15044, 18805, 20900, 37610, 41371, 71459, 75220, 82742, 94025, 142918, 165484, 188050, 206855, 285836, 357295, 376100, 413710, 714590, 786049, 827420, 1034275, 1429180, 1572098, 1786475, 2068550, 3144196, 3572950, 3930245, 4137100, 7145900, 7860490, 15720980, 19651225, 39302450, 78604900]

約数ペア:

[(1, 78604900), (2, 39302450), (4, 19651225), (5, 15720980), (10, 7860490), (11, 7145900), (19, 4137100), (20, 3930245), (22, 3572950), (25, 3144196), (38, 2068550), (44, 1786475), (50, 1572098), (55, 1429180), (76, 1034275), (95, 827420), (100, 786049), (110, 714590), (190, 413710), (209, 376100), (220, 357295), (275, 285836), (380, 206855), (418, 188050), (475, 165484), (550, 142918), (836, 94025), (950, 82742), (1045, 75220), (1100, 71459), (1900, 41371), (2090, 37610), (3761, 20900), (4180, 18805), (5225, 15044), (7522, 10450)]