1929202220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{821}}^1\times {\mathrm{971}}^1$

素因数の和:1823

約数の個数: 72

約数和(自身を含む): 4463124624

約数和(自身を除く): 2533922404

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 821, 971, 1210, 1642, 1942, 2420, 3284, 3884, 4105, 4855, 8210, 9031, 9710, 10681, 16420, 18062, 19420, 21362, 36124, 42724, 45155, 53405, 90310, 99341, 106810, 117491, 180620, 198682, 213620, 234982, 397364, 469964, 496705, 587455, 797191, 993410, 1174910, 1594382, 1986820, 2349820, 3188764, 3985955, 7971910, 8769101, 15943820, 17538202, 35076404, 43845505, 87691010, 96460111, 175382020, 192920222, 385840444, 482300555, 964601110, 1929202220]

約数ペア:

[(1, 1929202220), (2, 964601110), (4, 482300555), (5, 385840444), (10, 192920222), (11, 175382020), (20, 96460111), (22, 87691010), (44, 43845505), (55, 35076404), (110, 17538202), (121, 15943820), (220, 8769101), (242, 7971910), (484, 3985955), (605, 3188764), (821, 2349820), (971, 1986820), (1210, 1594382), (1642, 1174910), (1942, 993410), (2420, 797191), (3284, 587455), (3884, 496705), (4105, 469964), (4855, 397364), (8210, 234982), (9031, 213620), (9710, 198682), (10681, 180620), (16420, 117491), (18062, 106810), (19420, 99341), (21362, 90310), (36124, 53405), (42724, 45155)]