201221422540

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{6337}}^1\times {\mathrm{17839}}^1$

素因数の和:24274

約数の個数: 48

約数和(自身を含む): 427404297600

約数和(自身を除く): 226182875060

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 6337, 12674, 17839, 25348, 31685, 35678, 63370, 71356, 89195, 126740, 178390, 356780, 563993, 1127986, 1587671, 2255972, 2819965, 3175342, 5639930, 6350684, 7938355, 11279860, 15876710, 31753420, 113045743, 226091486, 452182972, 565228715, 1130457430, 2260914860, 10061071127, 20122142254, 40244284508, 50305355635, 100610711270, 201221422540]

約数ペア:

[(1, 201221422540), (2, 100610711270), (4, 50305355635), (5, 40244284508), (10, 20122142254), (20, 10061071127), (89, 2260914860), (178, 1130457430), (356, 565228715), (445, 452182972), (890, 226091486), (1780, 113045743), (6337, 31753420), (12674, 15876710), (17839, 11279860), (25348, 7938355), (31685, 6350684), (35678, 5639930), (63370, 3175342), (71356, 2819965), (89195, 2255972), (126740, 1587671), (178390, 1127986), (356780, 563993)]