77491540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{739}}^1$

素因数の和:869

約数の個数: 72

約数和(自身を含む): 191328480

約数和(自身を除く): 113836940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 107, 140, 196, 214, 245, 428, 490, 535, 739, 749, 980, 1070, 1478, 1498, 2140, 2956, 2996, 3695, 3745, 5173, 5243, 7390, 7490, 10346, 10486, 14780, 14980, 20692, 20972, 25865, 26215, 36211, 51730, 52430, 72422, 79073, 103460, 104860, 144844, 158146, 181055, 316292, 362110, 395365, 553511, 724220, 790730, 1107022, 1581460, 2214044, 2767555, 3874577, 5535110, 7749154, 11070220, 15498308, 19372885, 38745770, 77491540]

約数ペア:

[(1, 77491540), (2, 38745770), (4, 19372885), (5, 15498308), (7, 11070220), (10, 7749154), (14, 5535110), (20, 3874577), (28, 2767555), (35, 2214044), (49, 1581460), (70, 1107022), (98, 790730), (107, 724220), (140, 553511), (196, 395365), (214, 362110), (245, 316292), (428, 181055), (490, 158146), (535, 144844), (739, 104860), (749, 103460), (980, 79073), (1070, 72422), (1478, 52430), (1498, 51730), (2140, 36211), (2956, 26215), (2996, 25865), (3695, 20972), (3745, 20692), (5173, 14980), (5243, 14780), (7390, 10486), (7490, 10346)]