320728970

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{35597}}^1$

素因数の和:35674

約数の個数: 32

約数和(自身を含む): 622822608

約数和(自身を除く): 302093638

約数列:

[1, 2, 5, 10, 17, 34, 53, 85, 106, 170, 265, 530, 901, 1802, 4505, 9010, 35597, 71194, 177985, 355970, 605149, 1210298, 1886641, 3025745, 3773282, 6051490, 9433205, 18866410, 32072897, 64145794, 160364485, 320728970]

約数ペア:

[(1, 320728970), (2, 160364485), (5, 64145794), (10, 32072897), (17, 18866410), (34, 9433205), (53, 6051490), (85, 3773282), (106, 3025745), (170, 1886641), (265, 1210298), (530, 605149), (901, 355970), (1802, 177985), (4505, 71194), (9010, 35597)]