201480940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31189}}^1$

素因数の和:31234

約数の個数: 48

約数和(自身を含む): 471592800

約数和(自身を除く): 270111860

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 31189, 62378, 124756, 155945, 311890, 530213, 592591, 623780, 1060426, 1185182, 2120852, 2370364, 2651065, 2962955, 5302130, 5925910, 10074047, 10604260, 11851820, 20148094, 40296188, 50370235, 100740470, 201480940]

約数ペア:

[(1, 201480940), (2, 100740470), (4, 50370235), (5, 40296188), (10, 20148094), (17, 11851820), (19, 10604260), (20, 10074047), (34, 5925910), (38, 5302130), (68, 2962955), (76, 2651065), (85, 2370364), (95, 2120852), (170, 1185182), (190, 1060426), (323, 623780), (340, 592591), (380, 530213), (646, 311890), (1292, 155945), (1615, 124756), (3230, 62378), (6460, 31189)]