674240

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{43}}^1$

素因数の和:74

約数の個数: 84

約数和(自身を含む): 1911096

約数和(自身を除く): 1236856

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 49, 56, 64, 70, 80, 86, 98, 112, 140, 160, 172, 196, 215, 224, 245, 280, 301, 320, 344, 392, 430, 448, 490, 560, 602, 688, 784, 860, 980, 1120, 1204, 1376, 1505, 1568, 1720, 1960, 2107, 2240, 2408, 2752, 3010, 3136, 3440, 3920, 4214, 4816, 6020, 6880, 7840, 8428, 9632, 10535, 12040, 13760, 15680, 16856, 19264, 21070, 24080, 33712, 42140, 48160, 67424, 84280, 96320, 134848, 168560, 337120, 674240]

約数ペア:

[(1, 674240), (2, 337120), (4, 168560), (5, 134848), (7, 96320), (8, 84280), (10, 67424), (14, 48160), (16, 42140), (20, 33712), (28, 24080), (32, 21070), (35, 19264), (40, 16856), (43, 15680), (49, 13760), (56, 12040), (64, 10535), (70, 9632), (80, 8428), (86, 7840), (98, 6880), (112, 6020), (140, 4816), (160, 4214), (172, 3920), (196, 3440), (215, 3136), (224, 3010), (245, 2752), (280, 2408), (301, 2240), (320, 2107), (344, 1960), (392, 1720), (430, 1568), (448, 1505), (490, 1376), (560, 1204), (602, 1120), (688, 980), (784, 860)]