157499440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{281249}}^1$

素因数の和:281269

約数の個数: 40

約数和(自身を含む): 418500000

約数和(自身を除く): 261000560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 281249, 562498, 1124996, 1406245, 1968743, 2249992, 2812490, 3937486, 4499984, 5624980, 7874972, 9843715, 11249960, 15749944, 19687430, 22499920, 31499888, 39374860, 78749720, 157499440]

約数ペア:

[(1, 157499440), (2, 78749720), (4, 39374860), (5, 31499888), (7, 22499920), (8, 19687430), (10, 15749944), (14, 11249960), (16, 9843715), (20, 7874972), (28, 5624980), (35, 4499984), (40, 3937486), (56, 2812490), (70, 2249992), (80, 1968743), (112, 1406245), (140, 1124996), (280, 562498), (560, 281249)]