159505780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{3463}}^1$

素因数の和:3533

約数の個数: 72

約数和(自身を含む): 398055168

約数和(自身を除く): 238549388

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 49, 70, 94, 98, 140, 188, 196, 235, 245, 329, 470, 490, 658, 940, 980, 1316, 1645, 2303, 3290, 3463, 4606, 6580, 6926, 9212, 11515, 13852, 17315, 23030, 24241, 34630, 46060, 48482, 69260, 96964, 121205, 162761, 169687, 242410, 325522, 339374, 484820, 651044, 678748, 813805, 848435, 1139327, 1627610, 1696870, 2278654, 3255220, 3393740, 4557308, 5696635, 7975289, 11393270, 15950578, 22786540, 31901156, 39876445, 79752890, 159505780]

約数ペア:

[(1, 159505780), (2, 79752890), (4, 39876445), (5, 31901156), (7, 22786540), (10, 15950578), (14, 11393270), (20, 7975289), (28, 5696635), (35, 4557308), (47, 3393740), (49, 3255220), (70, 2278654), (94, 1696870), (98, 1627610), (140, 1139327), (188, 848435), (196, 813805), (235, 678748), (245, 651044), (329, 484820), (470, 339374), (490, 325522), (658, 242410), (940, 169687), (980, 162761), (1316, 121205), (1645, 96964), (2303, 69260), (3290, 48482), (3463, 46060), (4606, 34630), (6580, 24241), (6926, 23030), (9212, 17315), (11515, 13852)]