220620968

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{281}}^1$

素因数の和:578

約数の個数: 64

約数和(自身を含む): 460494720

約数和(自身を除く): 239873752

約数列:

[1, 2, 4, 8, 17, 23, 34, 46, 68, 92, 136, 184, 251, 281, 391, 502, 562, 782, 1004, 1124, 1564, 2008, 2248, 3128, 4267, 4777, 5773, 6463, 8534, 9554, 11546, 12926, 17068, 19108, 23092, 25852, 34136, 38216, 46184, 51704, 70531, 98141, 109871, 141062, 196282, 219742, 282124, 392564, 439484, 564248, 785128, 878968, 1199027, 1622213, 2398054, 3244426, 4796108, 6488852, 9592216, 12977704, 27577621, 55155242, 110310484, 220620968]

約数ペア:

[(1, 220620968), (2, 110310484), (4, 55155242), (8, 27577621), (17, 12977704), (23, 9592216), (34, 6488852), (46, 4796108), (68, 3244426), (92, 2398054), (136, 1622213), (184, 1199027), (251, 878968), (281, 785128), (391, 564248), (502, 439484), (562, 392564), (782, 282124), (1004, 219742), (1124, 196282), (1564, 141062), (2008, 109871), (2248, 98141), (3128, 70531), (4267, 51704), (4777, 46184), (5773, 38216), (6463, 34136), (8534, 25852), (9554, 23092), (11546, 19108), (12926, 17068)]