128714320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{229847}}^1$

素因数の和:229867

約数の個数: 40

約数和(自身を含む): 342013824

約数和(自身を除く): 213299504

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 229847, 459694, 919388, 1149235, 1608929, 1838776, 2298470, 3217858, 3677552, 4596940, 6435716, 8044645, 9193880, 12871432, 16089290, 18387760, 25742864, 32178580, 64357160, 128714320]

約数ペア:

[(1, 128714320), (2, 64357160), (4, 32178580), (5, 25742864), (7, 18387760), (8, 16089290), (10, 12871432), (14, 9193880), (16, 8044645), (20, 6435716), (28, 4596940), (35, 3677552), (40, 3217858), (56, 2298470), (70, 1838776), (80, 1608929), (112, 1149235), (140, 919388), (280, 459694), (560, 229847)]