28184870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:245

約数の個数: 64

約数和(自身を含む): 60466176

約数和(自身を除く): 32281306

約数列:

[1, 2, 5, 7, 10, 14, 35, 53, 70, 71, 106, 107, 142, 214, 265, 355, 371, 497, 530, 535, 710, 742, 749, 994, 1070, 1498, 1855, 2485, 3710, 3745, 3763, 4970, 5671, 7490, 7526, 7597, 11342, 15194, 18815, 26341, 28355, 37630, 37985, 39697, 52682, 53179, 56710, 75970, 79394, 106358, 131705, 198485, 263410, 265895, 396970, 402641, 531790, 805282, 2013205, 2818487, 4026410, 5636974, 14092435, 28184870]

約数ペア:

[(1, 28184870), (2, 14092435), (5, 5636974), (7, 4026410), (10, 2818487), (14, 2013205), (35, 805282), (53, 531790), (70, 402641), (71, 396970), (106, 265895), (107, 263410), (142, 198485), (214, 131705), (265, 106358), (355, 79394), (371, 75970), (497, 56710), (530, 53179), (535, 52682), (710, 39697), (742, 37985), (749, 37630), (994, 28355), (1070, 26341), (1498, 18815), (1855, 15194), (2485, 11342), (3710, 7597), (3745, 7526), (3763, 7490), (4970, 5671)]