304826140

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{8243}}^1$

素因数の和:8338

約数の個数: 36

約数和(自身を含む): 655447464

約数和(自身を除く): 350621324

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 1849, 3698, 7396, 8243, 9245, 16486, 18490, 32972, 36980, 41215, 82430, 164860, 354449, 708898, 1417796, 1772245, 3544490, 7088980, 15241307, 30482614, 60965228, 76206535, 152413070, 304826140]

約数ペア:

[(1, 304826140), (2, 152413070), (4, 76206535), (5, 60965228), (10, 30482614), (20, 15241307), (43, 7088980), (86, 3544490), (172, 1772245), (215, 1417796), (430, 708898), (860, 354449), (1849, 164860), (3698, 82430), (7396, 41215), (8243, 36980), (9245, 32972), (16486, 18490)]