77749940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{1789}}^1$

素因数の和:1892

約数の個数: 48

約数和(自身を含む): 170508240

約数和(自身を除く): 92758300

約数列:

[1, 2, 4, 5, 10, 20, 41, 53, 82, 106, 164, 205, 212, 265, 410, 530, 820, 1060, 1789, 2173, 3578, 4346, 7156, 8692, 8945, 10865, 17890, 21730, 35780, 43460, 73349, 94817, 146698, 189634, 293396, 366745, 379268, 474085, 733490, 948170, 1466980, 1896340, 3887497, 7774994, 15549988, 19437485, 38874970, 77749940]

約数ペア:

[(1, 77749940), (2, 38874970), (4, 19437485), (5, 15549988), (10, 7774994), (20, 3887497), (41, 1896340), (53, 1466980), (82, 948170), (106, 733490), (164, 474085), (205, 379268), (212, 366745), (265, 293396), (410, 189634), (530, 146698), (820, 94817), (1060, 73349), (1789, 43460), (2173, 35780), (3578, 21730), (4346, 17890), (7156, 10865), (8692, 8945)]