139318390

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{271}}^1\times {\mathrm{509}}^1$

素因数の和:888

約数の個数: 32

約数和(自身を含む): 254689920

約数和(自身を除く): 115371530

約数列:

[1, 2, 5, 10, 101, 202, 271, 505, 509, 542, 1010, 1018, 1355, 2545, 2710, 5090, 27371, 51409, 54742, 102818, 136855, 137939, 257045, 273710, 275878, 514090, 689695, 1379390, 13931839, 27863678, 69659195, 139318390]

約数ペア:

[(1, 139318390), (2, 69659195), (5, 27863678), (10, 13931839), (101, 1379390), (202, 689695), (271, 514090), (505, 275878), (509, 273710), (542, 257045), (1010, 137939), (1018, 136855), (1355, 102818), (2545, 54742), (2710, 51409), (5090, 27371)]