38908520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{138959}}^1$

素因数の和:138977

約数の個数: 32

約数和(自身を含む): 100051200

約数和(自身を除く): 61142680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 138959, 277918, 555836, 694795, 972713, 1111672, 1389590, 1945426, 2779180, 3890852, 4863565, 5558360, 7781704, 9727130, 19454260, 38908520]

約数ペア:

[(1, 38908520), (2, 19454260), (4, 9727130), (5, 7781704), (7, 5558360), (8, 4863565), (10, 3890852), (14, 2779180), (20, 1945426), (28, 1389590), (35, 1111672), (40, 972713), (56, 694795), (70, 555836), (140, 277918), (280, 138959)]