1649202280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{197273}}^1$

素因数の和:197314

約数の個数: 64

約数和(自身を含む): 4261118400

約数和(自身を除く): 2611916120

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1672, 2090, 4180, 8360, 197273, 394546, 789092, 986365, 1578184, 1972730, 2170003, 3748187, 3945460, 4340006, 7496374, 7890920, 8680012, 10850015, 14992748, 17360024, 18740935, 21700030, 29985496, 37481870, 41230057, 43400060, 74963740, 82460114, 86800120, 149927480, 164920228, 206150285, 329840456, 412300570, 824601140, 1649202280]

約数ペア:

[(1, 1649202280), (2, 824601140), (4, 412300570), (5, 329840456), (8, 206150285), (10, 164920228), (11, 149927480), (19, 86800120), (20, 82460114), (22, 74963740), (38, 43400060), (40, 41230057), (44, 37481870), (55, 29985496), (76, 21700030), (88, 18740935), (95, 17360024), (110, 14992748), (152, 10850015), (190, 8680012), (209, 7890920), (220, 7496374), (380, 4340006), (418, 3945460), (440, 3748187), (760, 2170003), (836, 1972730), (1045, 1578184), (1672, 986365), (2090, 789092), (4180, 394546), (8360, 197273)]