165765980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{9199}}^1$

素因数の和:9278

約数の個数: 48

約数和(自身を含む): 375580800

約数和(自身を除く): 209814820

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 53, 68, 85, 106, 170, 212, 265, 340, 530, 901, 1060, 1802, 3604, 4505, 9010, 9199, 18020, 18398, 36796, 45995, 91990, 156383, 183980, 312766, 487547, 625532, 781915, 975094, 1563830, 1950188, 2437735, 3127660, 4875470, 8288299, 9750940, 16576598, 33153196, 41441495, 82882990, 165765980]

約数ペア:

[(1, 165765980), (2, 82882990), (4, 41441495), (5, 33153196), (10, 16576598), (17, 9750940), (20, 8288299), (34, 4875470), (53, 3127660), (68, 2437735), (85, 1950188), (106, 1563830), (170, 975094), (212, 781915), (265, 625532), (340, 487547), (530, 312766), (901, 183980), (1060, 156383), (1802, 91990), (3604, 45995), (4505, 36796), (9010, 18398), (9199, 18020)]