1815078890

素因数分解:

$2^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{251}}^1\times {\mathrm{4789}}^1$

素因数の和:5198

約数の個数: 32

約数和(自身を含む): 3302570880

約数和(自身を除く): 1487491990

約数列:

[1, 2, 5, 10, 151, 251, 302, 502, 755, 1255, 1510, 2510, 4789, 9578, 23945, 37901, 47890, 75802, 189505, 379010, 723139, 1202039, 1446278, 2404078, 3615695, 6010195, 7231390, 12020390, 181507889, 363015778, 907539445, 1815078890]

約数ペア:

[(1, 1815078890), (2, 907539445), (5, 363015778), (10, 181507889), (151, 12020390), (251, 7231390), (302, 6010195), (502, 3615695), (755, 2404078), (1255, 1446278), (1510, 1202039), (2510, 723139), (4789, 379010), (9578, 189505), (23945, 75802), (37901, 47890)]