142222640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{253969}}^1$

素因数の和:253989

約数の個数: 40

約数和(自身を含む): 377907360

約数和(自身を除く): 235684720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 253969, 507938, 1015876, 1269845, 1777783, 2031752, 2539690, 3555566, 4063504, 5079380, 7111132, 8888915, 10158760, 14222264, 17777830, 20317520, 28444528, 35555660, 71111320, 142222640]

約数ペア:

[(1, 142222640), (2, 71111320), (4, 35555660), (5, 28444528), (7, 20317520), (8, 17777830), (10, 14222264), (14, 10158760), (16, 8888915), (20, 7111132), (28, 5079380), (35, 4063504), (40, 3555566), (56, 2539690), (70, 2031752), (80, 1777783), (112, 1269845), (140, 1015876), (280, 507938), (560, 253969)]