15438430

素因数分解:

$2^1\times 5^1\times 7^4\times {\mathrm{643}}^1$

素因数の和:678

約数の個数: 40

約数和(自身を含む): 32469192

約数和(自身を除く): 17030762

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 643, 686, 1286, 1715, 2401, 3215, 3430, 4501, 4802, 6430, 9002, 12005, 22505, 24010, 31507, 45010, 63014, 157535, 220549, 315070, 441098, 1102745, 1543843, 2205490, 3087686, 7719215, 15438430]

約数ペア:

[(1, 15438430), (2, 7719215), (5, 3087686), (7, 2205490), (10, 1543843), (14, 1102745), (35, 441098), (49, 315070), (70, 220549), (98, 157535), (245, 63014), (343, 45010), (490, 31507), (643, 24010), (686, 22505), (1286, 12005), (1715, 9002), (2401, 6430), (3215, 4802), (3430, 4501)]