490696660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{463}}^1\times {\mathrm{2789}}^1$

素因数の和:3280

約数の個数: 48

約数和(自身を含む): 1087430400

約数和(自身を除く): 596733740

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 463, 926, 1852, 2315, 2789, 4630, 5578, 8797, 9260, 11156, 13945, 17594, 27890, 35188, 43985, 52991, 55780, 87970, 105982, 175940, 211964, 264955, 529910, 1059820, 1291307, 2582614, 5165228, 6456535, 12913070, 24534833, 25826140, 49069666, 98139332, 122674165, 245348330, 490696660]

約数ペア:

[(1, 490696660), (2, 245348330), (4, 122674165), (5, 98139332), (10, 49069666), (19, 25826140), (20, 24534833), (38, 12913070), (76, 6456535), (95, 5165228), (190, 2582614), (380, 1291307), (463, 1059820), (926, 529910), (1852, 264955), (2315, 211964), (2789, 175940), (4630, 105982), (5578, 87970), (8797, 55780), (9260, 52991), (11156, 43985), (13945, 35188), (17594, 27890)]