142512440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{508973}}^1$

素因数の和:508991

約数の個数: 32

約数和(自身を含む): 366461280

約数和(自身を除く): 223948840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 508973, 1017946, 2035892, 2544865, 3562811, 4071784, 5089730, 7125622, 10179460, 14251244, 17814055, 20358920, 28502488, 35628110, 71256220, 142512440]

約数ペア:

[(1, 142512440), (2, 71256220), (4, 35628110), (5, 28502488), (7, 20358920), (8, 17814055), (10, 14251244), (14, 10179460), (20, 7125622), (28, 5089730), (35, 4071784), (40, 3562811), (56, 2544865), (70, 2035892), (140, 1017946), (280, 508973)]