77189980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{11731}}^1$

素因数の和:11794

約数の個数: 48

約数和(自身を含む): 189213696

約数和(自身を除く): 112023716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 6580, 11731, 23462, 46924, 58655, 82117, 117310, 164234, 234620, 328468, 410585, 551357, 821170, 1102714, 1642340, 2205428, 2756785, 3859499, 5513570, 7718998, 11027140, 15437996, 19297495, 38594990, 77189980]

約数ペア:

[(1, 77189980), (2, 38594990), (4, 19297495), (5, 15437996), (7, 11027140), (10, 7718998), (14, 5513570), (20, 3859499), (28, 2756785), (35, 2205428), (47, 1642340), (70, 1102714), (94, 821170), (140, 551357), (188, 410585), (235, 328468), (329, 234620), (470, 164234), (658, 117310), (940, 82117), (1316, 58655), (1645, 46924), (3290, 23462), (6580, 11731)]