77459770

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{499}}^1$

素因数の和:587

約数の個数: 48

約数和(自身を含む): 150876000

約数和(自身を除く): 73416230

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 190, 215, 361, 430, 499, 722, 817, 998, 1634, 1805, 2495, 3610, 4085, 4990, 8170, 9481, 15523, 18962, 21457, 31046, 42914, 47405, 77615, 94810, 107285, 155230, 180139, 214570, 360278, 407683, 815366, 900695, 1801390, 2038415, 4076830, 7745977, 15491954, 38729885, 77459770]

約数ペア:

[(1, 77459770), (2, 38729885), (5, 15491954), (10, 7745977), (19, 4076830), (38, 2038415), (43, 1801390), (86, 900695), (95, 815366), (190, 407683), (215, 360278), (361, 214570), (430, 180139), (499, 155230), (722, 107285), (817, 94810), (998, 77615), (1634, 47405), (1805, 42914), (2495, 31046), (3610, 21457), (4085, 18962), (4990, 15523), (8170, 9481)]