156949340

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{1249}}^1$

素因数の和:1422

約数の個数: 48

約数和(自身を含む): 338520000

約数和(自身を除く): 181570660

約数列:

[1, 2, 4, 5, 10, 20, 61, 103, 122, 206, 244, 305, 412, 515, 610, 1030, 1220, 1249, 2060, 2498, 4996, 6245, 6283, 12490, 12566, 24980, 25132, 31415, 62830, 76189, 125660, 128647, 152378, 257294, 304756, 380945, 514588, 643235, 761890, 1286470, 1523780, 2572940, 7847467, 15694934, 31389868, 39237335, 78474670, 156949340]

約数ペア:

[(1, 156949340), (2, 78474670), (4, 39237335), (5, 31389868), (10, 15694934), (20, 7847467), (61, 2572940), (103, 1523780), (122, 1286470), (206, 761890), (244, 643235), (305, 514588), (412, 380945), (515, 304756), (610, 257294), (1030, 152378), (1220, 128647), (1249, 125660), (2060, 76189), (2498, 62830), (4996, 31415), (6245, 25132), (6283, 24980), (12490, 12566)]