3009980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^2$

素因数の和:206

約数の個数: 36

約数和(自身を含む): 6729240

約数和(自身を除く): 3719260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 356, 380, 445, 890, 1691, 1780, 3382, 6764, 7921, 8455, 15842, 16910, 31684, 33820, 39605, 79210, 150499, 158420, 300998, 601996, 752495, 1504990, 3009980]

約数ペア:

[(1, 3009980), (2, 1504990), (4, 752495), (5, 601996), (10, 300998), (19, 158420), (20, 150499), (38, 79210), (76, 39605), (89, 33820), (95, 31684), (178, 16910), (190, 15842), (356, 8455), (380, 7921), (445, 6764), (890, 3382), (1691, 1780)]