28890830

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:249

約数の個数: 48

約数和(自身を含む): 56290464

約数和(自身を除く): 27399634

約数列:

[1, 2, 5, 10, 19, 38, 53, 95, 106, 151, 190, 265, 302, 361, 530, 722, 755, 1007, 1510, 1805, 2014, 2869, 3610, 5035, 5738, 8003, 10070, 14345, 16006, 19133, 28690, 38266, 40015, 54511, 80030, 95665, 109022, 152057, 191330, 272555, 304114, 545110, 760285, 1520570, 2889083, 5778166, 14445415, 28890830]

約数ペア:

[(1, 28890830), (2, 14445415), (5, 5778166), (10, 2889083), (19, 1520570), (38, 760285), (53, 545110), (95, 304114), (106, 272555), (151, 191330), (190, 152057), (265, 109022), (302, 95665), (361, 80030), (530, 54511), (722, 40015), (755, 38266), (1007, 28690), (1510, 19133), (1805, 16006), (2014, 14345), (2869, 10070), (3610, 8003), (5035, 5738)]