723136540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1\times {\mathrm{409}}^1$

素因数の和:671

約数の個数: 96

約数和(自身を含む): 1773797760

約数和(自身を除く): 1050661220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 173, 292, 346, 365, 409, 511, 692, 730, 818, 865, 1022, 1211, 1460, 1636, 1730, 2044, 2045, 2422, 2555, 2863, 3460, 4090, 4844, 5110, 5726, 6055, 8180, 10220, 11452, 12110, 12629, 14315, 24220, 25258, 28630, 29857, 50516, 57260, 59714, 63145, 70757, 88403, 119428, 126290, 141514, 149285, 176806, 208999, 252580, 283028, 298570, 353612, 353785, 417998, 442015, 495299, 597140, 707570, 835996, 884030, 990598, 1044995, 1415140, 1768060, 1981196, 2089990, 2476495, 4179980, 4952990, 5165261, 9905980, 10330522, 20661044, 25826305, 36156827, 51652610, 72313654, 103305220, 144627308, 180784135, 361568270, 723136540]

約数ペア:

[(1, 723136540), (2, 361568270), (4, 180784135), (5, 144627308), (7, 103305220), (10, 72313654), (14, 51652610), (20, 36156827), (28, 25826305), (35, 20661044), (70, 10330522), (73, 9905980), (140, 5165261), (146, 4952990), (173, 4179980), (292, 2476495), (346, 2089990), (365, 1981196), (409, 1768060), (511, 1415140), (692, 1044995), (730, 990598), (818, 884030), (865, 835996), (1022, 707570), (1211, 597140), (1460, 495299), (1636, 442015), (1730, 417998), (2044, 353785), (2045, 353612), (2422, 298570), (2555, 283028), (2863, 252580), (3460, 208999), (4090, 176806), (4844, 149285), (5110, 141514), (5726, 126290), (6055, 119428), (8180, 88403), (10220, 70757), (11452, 63145), (12110, 59714), (12629, 57260), (14315, 50516), (24220, 29857), (25258, 28630)]