7754180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{571}}^1$

素因数の和:684

約数の個数: 48

約数和(自身を含む): 18834816

約数和(自身を除く): 11080636

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 388, 485, 571, 679, 970, 1142, 1358, 1940, 2284, 2716, 2855, 3395, 3997, 5710, 6790, 7994, 11420, 13580, 15988, 19985, 39970, 55387, 79940, 110774, 221548, 276935, 387709, 553870, 775418, 1107740, 1550836, 1938545, 3877090, 7754180]

約数ペア:

[(1, 7754180), (2, 3877090), (4, 1938545), (5, 1550836), (7, 1107740), (10, 775418), (14, 553870), (20, 387709), (28, 276935), (35, 221548), (70, 110774), (97, 79940), (140, 55387), (194, 39970), (388, 19985), (485, 15988), (571, 13580), (679, 11420), (970, 7994), (1142, 6790), (1358, 5710), (1940, 3997), (2284, 3395), (2716, 2855)]