305787440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{78007}}^1$

素因数の和:78034

約数の個数: 60

約数和(自身を含む): 827040816

約数和(自身を除く): 521253376

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 78007, 156014, 312028, 390035, 546049, 624056, 780070, 1092098, 1248112, 1560140, 2184196, 2730245, 3120280, 3822343, 4368392, 5460490, 6240560, 7644686, 8736784, 10920980, 15289372, 19111715, 21841960, 30578744, 38223430, 43683920, 61157488, 76446860, 152893720, 305787440]

約数ペア:

[(1, 305787440), (2, 152893720), (4, 76446860), (5, 61157488), (7, 43683920), (8, 38223430), (10, 30578744), (14, 21841960), (16, 19111715), (20, 15289372), (28, 10920980), (35, 8736784), (40, 7644686), (49, 6240560), (56, 5460490), (70, 4368392), (80, 3822343), (98, 3120280), (112, 2730245), (140, 2184196), (196, 1560140), (245, 1248112), (280, 1092098), (392, 780070), (490, 624056), (560, 546049), (784, 390035), (980, 312028), (1960, 156014), (3920, 78007)]