290428870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{191}}^1$

素因数の和:421

約数の個数: 64

約数和(自身を含む): 567336960

約数和(自身を除く): 276908090

約数列:

[1, 2, 5, 10, 19, 38, 53, 95, 106, 151, 190, 191, 265, 302, 382, 530, 755, 955, 1007, 1510, 1910, 2014, 2869, 3629, 5035, 5738, 7258, 8003, 10070, 10123, 14345, 16006, 18145, 20246, 28690, 28841, 36290, 40015, 50615, 57682, 80030, 101230, 144205, 152057, 192337, 288410, 304114, 384674, 547979, 760285, 961685, 1095958, 1520570, 1528573, 1923370, 2739895, 3057146, 5479790, 7642865, 15285730, 29042887, 58085774, 145214435, 290428870]

約数ペア:

[(1, 290428870), (2, 145214435), (5, 58085774), (10, 29042887), (19, 15285730), (38, 7642865), (53, 5479790), (95, 3057146), (106, 2739895), (151, 1923370), (190, 1528573), (191, 1520570), (265, 1095958), (302, 961685), (382, 760285), (530, 547979), (755, 384674), (955, 304114), (1007, 288410), (1510, 192337), (1910, 152057), (2014, 144205), (2869, 101230), (3629, 80030), (5035, 57682), (5738, 50615), (7258, 40015), (8003, 36290), (10070, 28841), (10123, 28690), (14345, 20246), (16006, 18145)]