2778790

素因数分解:

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

素因数の和:181

約数の個数: 48

約数和(自身を含む): 5983632

約数和(自身を除く): 3204842

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 53, 70, 98, 106, 107, 214, 245, 265, 371, 490, 530, 535, 742, 749, 1070, 1498, 1855, 2597, 3710, 3745, 5194, 5243, 5671, 7490, 10486, 11342, 12985, 25970, 26215, 28355, 39697, 52430, 56710, 79394, 198485, 277879, 396970, 555758, 1389395, 2778790]

約数ペア:

[(1, 2778790), (2, 1389395), (5, 555758), (7, 396970), (10, 277879), (14, 198485), (35, 79394), (49, 56710), (53, 52430), (70, 39697), (98, 28355), (106, 26215), (107, 25970), (214, 12985), (245, 11342), (265, 10486), (371, 7490), (490, 5671), (530, 5243), (535, 5194), (742, 3745), (749, 3710), (1070, 2597), (1498, 1855)]